Home / 121,521.86-182,294.94-50,429.78

Finding the Fourth Proportional to 121,521.86, 182,294.94 and 50,429.78

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Solution

The fourth proportional to 121,521.86, 182,294.94 and 50,429.78 is: 75,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,521.86 : 182,294.94 = 50,429.78 : x
  2. Step 2: Convert to fraction form
    121,521.86/182,294.94 = 50,429.78/x
  3. Step 3: Cross multiply
    121,521.86x = 182,294.94 × 50,429.78
  4. Step 4: Simplify right side
    121,521.86x = 9,193,093,719.31
  5. Step 5: Solve for x
    x = 9,193,093,719.31/121,521.86
  6. Step 6: Final answer
    x = 75,649.71

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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.