Home / 113,672.66-156,864.65-62,687.52

Finding the Fourth Proportional to 113,672.66, 156,864.65 and 62,687.52

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Solution

The fourth proportional to 113,672.66, 156,864.65 and 62,687.52 is: 86,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,672.66 : 156,864.65 = 62,687.52 : x
  2. Step 2: Convert to fraction form
    113,672.66/156,864.65 = 62,687.52/x
  3. Step 3: Cross multiply
    113,672.66x = 156,864.65 × 62,687.52
  4. Step 4: Simplify right side
    113,672.66x = 9,833,455,570.73
  5. Step 5: Solve for x
    x = 9,833,455,570.73/113,672.66
  6. Step 6: Final answer
    x = 86,506.78

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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.