Home / 87,181.52-130,797.05-45,084.60

Finding the Fourth Proportional to 87,181.52, 130,797.05 and 45,084.60

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Solution

The fourth proportional to 87,181.52, 130,797.05 and 45,084.60 is: 67,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,181.52 : 130,797.05 = 45,084.60 : x
  2. Step 2: Convert to fraction form
    87,181.52/130,797.05 = 45,084.60/x
  3. Step 3: Cross multiply
    87,181.52x = 130,797.05 × 45,084.60
  4. Step 4: Simplify right side
    87,181.52x = 5,896,932,455.01
  5. Step 5: Solve for x
    x = 5,896,932,455.01/87,181.52
  6. Step 6: Final answer
    x = 67,639.71

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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.