Home / 147,200.10-220,800.15-136,265.10

Finding the Fourth Proportional to 147,200.10, 220,800.15 and 136,265.10

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Solution

The fourth proportional to 147,200.10, 220,800.15 and 136,265.10 is: 204,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,200.10 : 220,800.15 = 136,265.10 : x
  2. Step 2: Convert to fraction form
    147,200.10/220,800.15 = 136,265.10/x
  3. Step 3: Cross multiply
    147,200.10x = 220,800.15 × 136,265.10
  4. Step 4: Simplify right side
    147,200.10x = 30,087,354,519.77
  5. Step 5: Solve for x
    x = 30,087,354,519.77/147,200.10
  6. Step 6: Final answer
    x = 204,397.65

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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.