Home / 157,748.92-217,712.60-89,782.42

Finding the Fourth Proportional to 157,748.92, 217,712.60 and 89,782.42

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Solution

The fourth proportional to 157,748.92, 217,712.60 and 89,782.42 is: 123,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,748.92 : 217,712.60 = 89,782.42 : x
  2. Step 2: Convert to fraction form
    157,748.92/217,712.60 = 89,782.42/x
  3. Step 3: Cross multiply
    157,748.92x = 217,712.60 × 89,782.42
  4. Step 4: Simplify right side
    157,748.92x = 19,546,764,092.49
  5. Step 5: Solve for x
    x = 19,546,764,092.49/157,748.92
  6. Step 6: Final answer
    x = 123,910.60

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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.