Home / 358,520-537,780-109,202

Finding the Fourth Proportional to 358,520, 537,780 and 109,202

Calculator

Solution

The fourth proportional to 358,520, 537,780 and 109,202 is: 163,803

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,520 : 537,780 = 109,202 : x
  2. Step 2: Convert to fraction form
    358,520/537,780 = 109,202/x
  3. Step 3: Cross multiply
    358,520x = 537,780 × 109,202
  4. Step 4: Simplify right side
    358,520x = 58,726,651,560
  5. Step 5: Solve for x
    x = 58,726,651,560/358,520
  6. Step 6: Final answer
    x = 163,803

Related Problems

Find fourth proportional to 179,260, 268,890 and 54,601
Half scale
Find fourth proportional to 717,040, 1,075,560 and 218,404
Double scale
Find fourth proportional to 358,521, 537,781.50 and 109,203
Similar ratio
Find fourth proportional to 537,780, 806,670 and 163,803
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.