Home / 238,895.92-358,376.82-81,082

Finding the Fourth Proportional to 238,895.92, 358,376.82 and 81,082

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Solution

The fourth proportional to 238,895.92, 358,376.82 and 81,082 is: 121,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,895.92 : 358,376.82 = 81,082 : x
  2. Step 2: Convert to fraction form
    238,895.92/358,376.82 = 81,082/x
  3. Step 3: Cross multiply
    238,895.92x = 358,376.82 × 81,082
  4. Step 4: Simplify right side
    238,895.92x = 29,057,909,319.24
  5. Step 5: Solve for x
    x = 29,057,909,319.24/238,895.92
  6. Step 6: Final answer
    x = 121,634.18

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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.