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Finding the Fourth Proportional to 113,253.88, 156,290.48 and 62,267.48

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Solution

The fourth proportional to 113,253.88, 156,290.48 and 62,267.48 is: 85,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,253.88 : 156,290.48 = 62,267.48 : x
  2. Step 2: Convert to fraction form
    113,253.88/156,290.48 = 62,267.48/x
  3. Step 3: Cross multiply
    113,253.88x = 156,290.48 × 62,267.48
  4. Step 4: Simplify right side
    113,253.88x = 9,731,814,337.59
  5. Step 5: Solve for x
    x = 9,731,814,337.59/113,253.88
  6. Step 6: Final answer
    x = 85,929.19

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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.