Home / 87,348.48-130,929.24-45,186.06

Finding the Fourth Proportional to 87,348.48, 130,929.24 and 45,186.06

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Solution

The fourth proportional to 87,348.48, 130,929.24 and 45,186.06 is: 67,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,348.48 : 130,929.24 = 45,186.06 : x
  2. Step 2: Convert to fraction form
    87,348.48/130,929.24 = 45,186.06/x
  3. Step 3: Cross multiply
    87,348.48x = 130,929.24 × 45,186.06
  4. Step 4: Simplify right side
    87,348.48x = 5,916,176,494.39
  5. Step 5: Solve for x
    x = 5,916,176,494.39/87,348.48
  6. Step 6: Final answer
    x = 67,730.73

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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.