Home / 156,718.20-235,070-38,383.27

Finding the Fourth Proportional to 156,718.20, 235,070 and 38,383.27

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Solution

The fourth proportional to 156,718.20, 235,070 and 38,383.27 is: 57,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,718.20 : 235,070 = 38,383.27 : x
  2. Step 2: Convert to fraction form
    156,718.20/235,070 = 38,383.27/x
  3. Step 3: Cross multiply
    156,718.20x = 235,070 × 38,383.27
  4. Step 4: Simplify right side
    156,718.20x = 9,022,755,278.90
  5. Step 5: Solve for x
    x = 9,022,755,278.90/156,718.20
  6. Step 6: Final answer
    x = 57,573.12

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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.