Home / 142,001.10-213,001.65-42,176.70

Finding the Fourth Proportional to 142,001.10, 213,001.65 and 42,176.70

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Solution

The fourth proportional to 142,001.10, 213,001.65 and 42,176.70 is: 63,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,001.10 : 213,001.65 = 42,176.70 : x
  2. Step 2: Convert to fraction form
    142,001.10/213,001.65 = 42,176.70/x
  3. Step 3: Cross multiply
    142,001.10x = 213,001.65 × 42,176.70
  4. Step 4: Simplify right side
    142,001.10x = 8,983,706,691.56
  5. Step 5: Solve for x
    x = 8,983,706,691.56/142,001.10
  6. Step 6: Final answer
    x = 63,265.05

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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.