Home / 152,085.60-209,930.40-88,443.36

Finding the Fourth Proportional to 152,085.60, 209,930.40 and 88,443.36

Calculator

Solution

The fourth proportional to 152,085.60, 209,930.40 and 88,443.36 is: 122,082.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,085.60 : 209,930.40 = 88,443.36 : x
  2. Step 2: Convert to fraction form
    152,085.60/209,930.40 = 88,443.36/x
  3. Step 3: Cross multiply
    152,085.60x = 209,930.40 × 88,443.36
  4. Step 4: Simplify right side
    152,085.60x = 18,566,949,942.14
  5. Step 5: Solve for x
    x = 18,566,949,942.14/152,085.60
  6. Step 6: Final answer
    x = 122,082.23

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.