Home / 121,350.50-182,107.76-42,465.41

Finding the Fourth Proportional to 121,350.50, 182,107.76 and 42,465.41

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Solution

The fourth proportional to 121,350.50, 182,107.76 and 42,465.41 is: 63,726.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,350.50 : 182,107.76 = 42,465.41 : x
  2. Step 2: Convert to fraction form
    121,350.50/182,107.76 = 42,465.41/x
  3. Step 3: Cross multiply
    121,350.50x = 182,107.76 × 42,465.41
  4. Step 4: Simplify right side
    121,350.50x = 7,733,279,800.16
  5. Step 5: Solve for x
    x = 7,733,279,800.16/121,350.50
  6. Step 6: Final answer
    x = 63,726.81

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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.