Home / 141,878.80-212,645.40-62,909.20

Finding the Fourth Proportional to 141,878.80, 212,645.40 and 62,909.20

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Solution

The fourth proportional to 141,878.80, 212,645.40 and 62,909.20 is: 94,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,878.80 : 212,645.40 = 62,909.20 : x
  2. Step 2: Convert to fraction form
    141,878.80/212,645.40 = 62,909.20/x
  3. Step 3: Cross multiply
    141,878.80x = 212,645.40 × 62,909.20
  4. Step 4: Simplify right side
    141,878.80x = 13,377,351,997.68
  5. Step 5: Solve for x
    x = 13,377,351,997.68/141,878.80
  6. Step 6: Final answer
    x = 94,287.18

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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.