Home / 238,504.40-329,130.06-129,603.92

Finding the Fourth Proportional to 238,504.40, 329,130.06 and 129,603.92

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Solution

The fourth proportional to 238,504.40, 329,130.06 and 129,603.92 is: 178,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,504.40 : 329,130.06 = 129,603.92 : x
  2. Step 2: Convert to fraction form
    238,504.40/329,130.06 = 129,603.92/x
  3. Step 3: Cross multiply
    238,504.40x = 329,130.06 × 129,603.92
  4. Step 4: Simplify right side
    238,504.40x = 42,656,545,965.84
  5. Step 5: Solve for x
    x = 42,656,545,965.84/238,504.40
  6. Step 6: Final answer
    x = 178,850.14

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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.