Home / 238,861.11-329,642.28-136,918.16

Finding the Fourth Proportional to 238,861.11, 329,642.28 and 136,918.16

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Solution

The fourth proportional to 238,861.11, 329,642.28 and 136,918.16 is: 188,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,861.11 : 329,642.28 = 136,918.16 : x
  2. Step 2: Convert to fraction form
    238,861.11/329,642.28 = 136,918.16/x
  3. Step 3: Cross multiply
    238,861.11x = 329,642.28 × 136,918.16
  4. Step 4: Simplify right side
    238,861.11x = 45,134,012,787.59
  5. Step 5: Solve for x
    x = 45,134,012,787.59/238,861.11
  6. Step 6: Final answer
    x = 188,955.05

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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.