Home / 141,984.10-212,976.15-42,159.70

Finding the Fourth Proportional to 141,984.10, 212,976.15 and 42,159.70

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Solution

The fourth proportional to 141,984.10, 212,976.15 and 42,159.70 is: 63,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,984.10 : 212,976.15 = 42,159.70 : x
  2. Step 2: Convert to fraction form
    141,984.10/212,976.15 = 42,159.70/x
  3. Step 3: Cross multiply
    141,984.10x = 212,976.15 × 42,159.70
  4. Step 4: Simplify right side
    141,984.10x = 8,979,010,591.16
  5. Step 5: Solve for x
    x = 8,979,010,591.16/141,984.10
  6. Step 6: Final answer
    x = 63,239.55

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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.