Home / 125,331.12-172,947.96-68,733.36

Finding the Fourth Proportional to 125,331.12, 172,947.96 and 68,733.36

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Solution

The fourth proportional to 125,331.12, 172,947.96 and 68,733.36 is: 94,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,331.12 : 172,947.96 = 68,733.36 : x
  2. Step 2: Convert to fraction form
    125,331.12/172,947.96 = 68,733.36/x
  3. Step 3: Cross multiply
    125,331.12x = 172,947.96 × 68,733.36
  4. Step 4: Simplify right side
    125,331.12x = 11,887,294,395.95
  5. Step 5: Solve for x
    x = 11,887,294,395.95/125,331.12
  6. Step 6: Final answer
    x = 94,847.11

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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.