Home / 85,273.98-127,937.61-29,115.42

Finding the Fourth Proportional to 85,273.98, 127,937.61 and 29,115.42

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Solution

The fourth proportional to 85,273.98, 127,937.61 and 29,115.42 is: 43,682.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,273.98 : 127,937.61 = 29,115.42 : x
  2. Step 2: Convert to fraction form
    85,273.98/127,937.61 = 29,115.42/x
  3. Step 3: Cross multiply
    85,273.98x = 127,937.61 × 29,115.42
  4. Step 4: Simplify right side
    85,273.98x = 3,724,957,248.95
  5. Step 5: Solve for x
    x = 3,724,957,248.95/85,273.98
  6. Step 6: Final answer
    x = 43,682.23

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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.