Home / 113,432.66-156,534.31-62,444.98

Finding the Fourth Proportional to 113,432.66, 156,534.31 and 62,444.98

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Solution

The fourth proportional to 113,432.66, 156,534.31 and 62,444.98 is: 86,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,432.66 : 156,534.31 = 62,444.98 : x
  2. Step 2: Convert to fraction form
    113,432.66/156,534.31 = 62,444.98/x
  3. Step 3: Cross multiply
    113,432.66x = 156,534.31 × 62,444.98
  4. Step 4: Simplify right side
    113,432.66x = 9,774,781,857.26
  5. Step 5: Solve for x
    x = 9,774,781,857.26/113,432.66
  6. Step 6: Final answer
    x = 86,172.55

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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.