Home / 91,766.46-137,644.16-54,563.29

Finding the Fourth Proportional to 91,766.46, 137,644.16 and 54,563.29

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Solution

The fourth proportional to 91,766.46, 137,644.16 and 54,563.29 is: 81,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,766.46 : 137,644.16 = 54,563.29 : x
  2. Step 2: Convert to fraction form
    91,766.46/137,644.16 = 54,563.29/x
  3. Step 3: Cross multiply
    91,766.46x = 137,644.16 × 54,563.29
  4. Step 4: Simplify right side
    91,766.46x = 7,510,318,011.18
  5. Step 5: Solve for x
    x = 7,510,318,011.18/91,766.46
  6. Step 6: Final answer
    x = 81,841.64

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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.