Home / 238,947.80-329,754.60-130,053.12

Finding the Fourth Proportional to 238,947.80, 329,754.60 and 130,053.12

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Solution

The fourth proportional to 238,947.80, 329,754.60 and 130,053.12 is: 179,476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,947.80 : 329,754.60 = 130,053.12 : x
  2. Step 2: Convert to fraction form
    238,947.80/329,754.60 = 130,053.12/x
  3. Step 3: Cross multiply
    238,947.80x = 329,754.60 × 130,053.12
  4. Step 4: Simplify right side
    238,947.80x = 42,885,614,564.35
  5. Step 5: Solve for x
    x = 42,885,614,564.35/238,947.80
  6. Step 6: Final answer
    x = 179,476.92

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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.