Home / 121,545.84-182,338.20-51,425.76

Finding the Fourth Proportional to 121,545.84, 182,338.20 and 51,425.76

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Solution

The fourth proportional to 121,545.84, 182,338.20 and 51,425.76 is: 77,146.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,545.84 : 182,338.20 = 51,425.76 : x
  2. Step 2: Convert to fraction form
    121,545.84/182,338.20 = 51,425.76/x
  3. Step 3: Cross multiply
    121,545.84x = 182,338.20 × 51,425.76
  4. Step 4: Simplify right side
    121,545.84x = 9,376,880,512.03
  5. Step 5: Solve for x
    x = 9,376,880,512.03/121,545.84
  6. Step 6: Final answer
    x = 77,146.87

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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.