Home / 131,921.46-182,061.27-75,331.62

Finding the Fourth Proportional to 131,921.46, 182,061.27 and 75,331.62

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Solution

The fourth proportional to 131,921.46, 182,061.27 and 75,331.62 is: 103,963.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,921.46 : 182,061.27 = 75,331.62 : x
  2. Step 2: Convert to fraction form
    131,921.46/182,061.27 = 75,331.62/x
  3. Step 3: Cross multiply
    131,921.46x = 182,061.27 × 75,331.62
  4. Step 4: Simplify right side
    131,921.46x = 13,714,970,408.36
  5. Step 5: Solve for x
    x = 13,714,970,408.36/131,921.46
  6. Step 6: Final answer
    x = 103,963.15

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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.