Home / 91,717.38-137,576.25-25,158.42

Finding the Fourth Proportional to 91,717.38, 137,576.25 and 25,158.42

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Solution

The fourth proportional to 91,717.38, 137,576.25 and 25,158.42 is: 37,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,717.38 : 137,576.25 = 25,158.42 : x
  2. Step 2: Convert to fraction form
    91,717.38/137,576.25 = 25,158.42/x
  3. Step 3: Cross multiply
    91,717.38x = 137,576.25 × 25,158.42
  4. Step 4: Simplify right side
    91,717.38x = 3,461,201,079.53
  5. Step 5: Solve for x
    x = 3,461,201,079.53/91,717.38
  6. Step 6: Final answer
    x = 37,737.68

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1.5x scale

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.