Home / 110,020.20-165,030.30-39,901.80

Finding the Fourth Proportional to 110,020.20, 165,030.30 and 39,901.80

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Solution

The fourth proportional to 110,020.20, 165,030.30 and 39,901.80 is: 59,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,020.20 : 165,030.30 = 39,901.80 : x
  2. Step 2: Convert to fraction form
    110,020.20/165,030.30 = 39,901.80/x
  3. Step 3: Cross multiply
    110,020.20x = 165,030.30 × 39,901.80
  4. Step 4: Simplify right side
    110,020.20x = 6,585,006,024.54
  5. Step 5: Solve for x
    x = 6,585,006,024.54/110,020.20
  6. Step 6: Final answer
    x = 59,852.70

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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.