Home / 87,240.46-130,864.02-28,068.34

Finding the Fourth Proportional to 87,240.46, 130,864.02 and 28,068.34

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Solution

The fourth proportional to 87,240.46, 130,864.02 and 28,068.34 is: 42,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,240.46 : 130,864.02 = 28,068.34 : x
  2. Step 2: Convert to fraction form
    87,240.46/130,864.02 = 28,068.34/x
  3. Step 3: Cross multiply
    87,240.46x = 130,864.02 × 28,068.34
  4. Step 4: Simplify right side
    87,240.46x = 3,673,135,807.13
  5. Step 5: Solve for x
    x = 3,673,135,807.13/87,240.46
  6. Step 6: Final answer
    x = 42,103.58

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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.