Home / 91,718.73-137,576.88-25,158.80

Finding the Fourth Proportional to 91,718.73, 137,576.88 and 25,158.80

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Solution

The fourth proportional to 91,718.73, 137,576.88 and 25,158.80 is: 37,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,718.73 : 137,576.88 = 25,158.80 : x
  2. Step 2: Convert to fraction form
    91,718.73/137,576.88 = 25,158.80/x
  3. Step 3: Cross multiply
    91,718.73x = 137,576.88 × 25,158.80
  4. Step 4: Simplify right side
    91,718.73x = 3,461,269,552.49
  5. Step 5: Solve for x
    x = 3,461,269,552.49/91,718.73
  6. Step 6: Final answer
    x = 37,737.87

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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.