Home / 91,727.94-137,397.51-69,294.18

Finding the Fourth Proportional to 91,727.94, 137,397.51 and 69,294.18

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Solution

The fourth proportional to 91,727.94, 137,397.51 and 69,294.18 is: 103,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,727.94 : 137,397.51 = 69,294.18 : x
  2. Step 2: Convert to fraction form
    91,727.94/137,397.51 = 69,294.18/x
  3. Step 3: Cross multiply
    91,727.94x = 137,397.51 × 69,294.18
  4. Step 4: Simplify right side
    91,727.94x = 9,520,847,789.49
  5. Step 5: Solve for x
    x = 9,520,847,789.49/91,727.94
  6. Step 6: Final answer
    x = 103,794.41

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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.