Home / 121,875.56-182,801.82-38,754.92

Finding the Fourth Proportional to 121,875.56, 182,801.82 and 38,754.92

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Solution

The fourth proportional to 121,875.56, 182,801.82 and 38,754.92 is: 58,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,875.56 : 182,801.82 = 38,754.92 : x
  2. Step 2: Convert to fraction form
    121,875.56/182,801.82 = 38,754.92/x
  3. Step 3: Cross multiply
    121,875.56x = 182,801.82 × 38,754.92
  4. Step 4: Simplify right side
    121,875.56x = 7,084,469,909.95
  5. Step 5: Solve for x
    x = 7,084,469,909.95/121,875.56
  6. Step 6: Final answer
    x = 58,128.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.