Home / 113,175.43-156,179.75-62,187.95

Finding the Fourth Proportional to 113,175.43, 156,179.75 and 62,187.95

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Solution

The fourth proportional to 113,175.43, 156,179.75 and 62,187.95 is: 85,818.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,175.43 : 156,179.75 = 62,187.95 : x
  2. Step 2: Convert to fraction form
    113,175.43/156,179.75 = 62,187.95/x
  3. Step 3: Cross multiply
    113,175.43x = 156,179.75 × 62,187.95
  4. Step 4: Simplify right side
    113,175.43x = 9,712,498,563.52
  5. Step 5: Solve for x
    x = 9,712,498,563.52/113,175.43
  6. Step 6: Final answer
    x = 85,818.09

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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.