Home / 143,993.79-215,966.07-38,788.15

Finding the Fourth Proportional to 143,993.79, 215,966.07 and 38,788.15

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Solution

The fourth proportional to 143,993.79, 215,966.07 and 38,788.15 is: 58,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,993.79 : 215,966.07 = 38,788.15 : x
  2. Step 2: Convert to fraction form
    143,993.79/215,966.07 = 38,788.15/x
  3. Step 3: Cross multiply
    143,993.79x = 215,966.07 × 38,788.15
  4. Step 4: Simplify right side
    143,993.79x = 8,376,924,124.13
  5. Step 5: Solve for x
    x = 8,376,924,124.13/143,993.79
  6. Step 6: Final answer
    x = 58,175.60

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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.