Home / 143,994.28-215,966.82-38,788.66

Finding the Fourth Proportional to 143,994.28, 215,966.82 and 38,788.66

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Solution

The fourth proportional to 143,994.28, 215,966.82 and 38,788.66 is: 58,176.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,994.28 : 215,966.82 = 38,788.66 : x
  2. Step 2: Convert to fraction form
    143,994.28/215,966.82 = 38,788.66/x
  3. Step 3: Cross multiply
    143,994.28x = 215,966.82 × 38,788.66
  4. Step 4: Simplify right side
    143,994.28x = 8,377,063,552.26
  5. Step 5: Solve for x
    x = 8,377,063,552.26/143,994.28
  6. Step 6: Final answer
    x = 58,176.36

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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.