Home / 120,377.12-180,561.60-57,227.52

Finding the Fourth Proportional to 120,377.12, 180,561.60 and 57,227.52

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Solution

The fourth proportional to 120,377.12, 180,561.60 and 57,227.52 is: 85,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,377.12 : 180,561.60 = 57,227.52 : x
  2. Step 2: Convert to fraction form
    120,377.12/180,561.60 = 57,227.52/x
  3. Step 3: Cross multiply
    120,377.12x = 180,561.60 × 57,227.52
  4. Step 4: Simplify right side
    120,377.12x = 10,333,092,575.23
  5. Step 5: Solve for x
    x = 10,333,092,575.23/120,377.12
  6. Step 6: Final answer
    x = 85,839.34

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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.