Home / 231,724.80-319,792.68-141,066.36

Finding the Fourth Proportional to 231,724.80, 319,792.68 and 141,066.36

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Solution

The fourth proportional to 231,724.80, 319,792.68 and 141,066.36 is: 194,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,724.80 : 319,792.68 = 141,066.36 : x
  2. Step 2: Convert to fraction form
    231,724.80/319,792.68 = 141,066.36/x
  3. Step 3: Cross multiply
    231,724.80x = 319,792.68 × 141,066.36
  4. Step 4: Simplify right side
    231,724.80x = 45,111,989,322.24
  5. Step 5: Solve for x
    x = 45,111,989,322.24/231,724.80
  6. Step 6: Final answer
    x = 194,679.16

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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.