Home / 121,543.33-182,291.90-51,471.85

Finding the Fourth Proportional to 121,543.33, 182,291.90 and 51,471.85

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Solution

The fourth proportional to 121,543.33, 182,291.90 and 51,471.85 is: 77,197.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,543.33 : 182,291.90 = 51,471.85 : x
  2. Step 2: Convert to fraction form
    121,543.33/182,291.90 = 51,471.85/x
  3. Step 3: Cross multiply
    121,543.33x = 182,291.90 × 51,471.85
  4. Step 4: Simplify right side
    121,543.33x = 9,382,900,421.56
  5. Step 5: Solve for x
    x = 9,382,900,421.56/121,543.33
  6. Step 6: Final answer
    x = 77,197.99

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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.