Home / 131,962.72-182,121.60-75,382.60

Finding the Fourth Proportional to 131,962.72, 182,121.60 and 75,382.60

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Solution

The fourth proportional to 131,962.72, 182,121.60 and 75,382.60 is: 104,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,962.72 : 182,121.60 = 75,382.60 : x
  2. Step 2: Convert to fraction form
    131,962.72/182,121.60 = 75,382.60/x
  3. Step 3: Cross multiply
    131,962.72x = 182,121.60 × 75,382.60
  4. Step 4: Simplify right side
    131,962.72x = 13,728,799,724.16
  5. Step 5: Solve for x
    x = 13,728,799,724.16/131,962.72
  6. Step 6: Final answer
    x = 104,035.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.