Home / 143,799.80-215,517.45-54,934.70

Finding the Fourth Proportional to 143,799.80, 215,517.45 and 54,934.70

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Solution

The fourth proportional to 143,799.80, 215,517.45 and 54,934.70 is: 82,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,799.80 : 215,517.45 = 54,934.70 : x
  2. Step 2: Convert to fraction form
    143,799.80/215,517.45 = 54,934.70/x
  3. Step 3: Cross multiply
    143,799.80x = 215,517.45 × 54,934.70
  4. Step 4: Simplify right side
    143,799.80x = 11,839,386,460.52
  5. Step 5: Solve for x
    x = 11,839,386,460.52/143,799.80
  6. Step 6: Final answer
    x = 82,332.43

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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.