Home / 125,177.50-172,749-68,592.52

Finding the Fourth Proportional to 125,177.50, 172,749 and 68,592.52

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Solution

The fourth proportional to 125,177.50, 172,749 and 68,592.52 is: 94,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,177.50 : 172,749 = 68,592.52 : x
  2. Step 2: Convert to fraction form
    125,177.50/172,749 = 68,592.52/x
  3. Step 3: Cross multiply
    125,177.50x = 172,749 × 68,592.52
  4. Step 4: Simplify right side
    125,177.50x = 11,849,289,237.48
  5. Step 5: Solve for x
    x = 11,849,289,237.48/125,177.50
  6. Step 6: Final answer
    x = 94,659.90

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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.