Home / 99,766.96-137,701.97-57,350.10

Finding the Fourth Proportional to 99,766.96, 137,701.97 and 57,350.10

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Solution

The fourth proportional to 99,766.96, 137,701.97 and 57,350.10 is: 79,156.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,766.96 : 137,701.97 = 57,350.10 : x
  2. Step 2: Convert to fraction form
    99,766.96/137,701.97 = 57,350.10/x
  3. Step 3: Cross multiply
    99,766.96x = 137,701.97 × 57,350.10
  4. Step 4: Simplify right side
    99,766.96x = 7,897,221,749.70
  5. Step 5: Solve for x
    x = 7,897,221,749.70/99,766.96
  6. Step 6: Final answer
    x = 79,156.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.