Home / 157,023.44-235,348.32-72,665.72

Finding the Fourth Proportional to 157,023.44, 235,348.32 and 72,665.72

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Solution

The fourth proportional to 157,023.44, 235,348.32 and 72,665.72 is: 108,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,023.44 : 235,348.32 = 72,665.72 : x
  2. Step 2: Convert to fraction form
    157,023.44/235,348.32 = 72,665.72/x
  3. Step 3: Cross multiply
    157,023.44x = 235,348.32 × 72,665.72
  4. Step 4: Simplify right side
    157,023.44x = 17,101,755,123.59
  5. Step 5: Solve for x
    x = 17,101,755,123.59/157,023.44
  6. Step 6: Final answer
    x = 108,912.12

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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.