Home / 92,005.80-138,008.40-25,445.76

Finding the Fourth Proportional to 92,005.80, 138,008.40 and 25,445.76

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Solution

The fourth proportional to 92,005.80, 138,008.40 and 25,445.76 is: 38,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,005.80 : 138,008.40 = 25,445.76 : x
  2. Step 2: Convert to fraction form
    92,005.80/138,008.40 = 25,445.76/x
  3. Step 3: Cross multiply
    92,005.80x = 138,008.40 × 25,445.76
  4. Step 4: Simplify right side
    92,005.80x = 3,511,728,624.38
  5. Step 5: Solve for x
    x = 3,511,728,624.38/92,005.80
  6. Step 6: Final answer
    x = 38,168.56

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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.