Home / 157,387.67-217,188.23-89,404.44

Finding the Fourth Proportional to 157,387.67, 217,188.23 and 89,404.44

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Solution

The fourth proportional to 157,387.67, 217,188.23 and 89,404.44 is: 123,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,387.67 : 217,188.23 = 89,404.44 : x
  2. Step 2: Convert to fraction form
    157,387.67/217,188.23 = 89,404.44/x
  3. Step 3: Cross multiply
    157,387.67x = 217,188.23 × 89,404.44
  4. Step 4: Simplify right side
    157,387.67x = 19,417,591,630.72
  5. Step 5: Solve for x
    x = 19,417,591,630.72/157,387.67
  6. Step 6: Final answer
    x = 123,374.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.