Home / 143,932.74-215,913.51-44,091.78

Finding the Fourth Proportional to 143,932.74, 215,913.51 and 44,091.78

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Solution

The fourth proportional to 143,932.74, 215,913.51 and 44,091.78 is: 66,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,932.74 : 215,913.51 = 44,091.78 : x
  2. Step 2: Convert to fraction form
    143,932.74/215,913.51 = 44,091.78/x
  3. Step 3: Cross multiply
    143,932.74x = 215,913.51 × 44,091.78
  4. Step 4: Simplify right side
    143,932.74x = 9,520,010,981.95
  5. Step 5: Solve for x
    x = 9,520,010,981.95/143,932.74
  6. Step 6: Final answer
    x = 66,142.08

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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.