Home / 131,854.08-181,958.72-75,264.16

Finding the Fourth Proportional to 131,854.08, 181,958.72 and 75,264.16

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Solution

The fourth proportional to 131,854.08, 181,958.72 and 75,264.16 is: 103,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,854.08 : 181,958.72 = 75,264.16 : x
  2. Step 2: Convert to fraction form
    131,854.08/181,958.72 = 75,264.16/x
  3. Step 3: Cross multiply
    131,854.08x = 181,958.72 × 75,264.16
  4. Step 4: Simplify right side
    131,854.08x = 13,694,970,215.48
  5. Step 5: Solve for x
    x = 13,694,970,215.48/131,854.08
  6. Step 6: Final answer
    x = 103,864.59

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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.