Home / 91,570.60-137,355.42-29,239.72

Finding the Fourth Proportional to 91,570.60, 137,355.42 and 29,239.72

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Solution

The fourth proportional to 91,570.60, 137,355.42 and 29,239.72 is: 43,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,570.60 : 137,355.42 = 29,239.72 : x
  2. Step 2: Convert to fraction form
    91,570.60/137,355.42 = 29,239.72/x
  3. Step 3: Cross multiply
    91,570.60x = 137,355.42 × 29,239.72
  4. Step 4: Simplify right side
    91,570.60x = 4,016,234,021.28
  5. Step 5: Solve for x
    x = 4,016,234,021.28/91,570.60
  6. Step 6: Final answer
    x = 43,859.43

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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.