Home / 238,799.80-329,536.92-129,900.70

Finding the Fourth Proportional to 238,799.80, 329,536.92 and 129,900.70

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Solution

The fourth proportional to 238,799.80, 329,536.92 and 129,900.70 is: 179,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,799.80 : 329,536.92 = 129,900.70 : x
  2. Step 2: Convert to fraction form
    238,799.80/329,536.92 = 129,900.70/x
  3. Step 3: Cross multiply
    238,799.80x = 329,536.92 × 129,900.70
  4. Step 4: Simplify right side
    238,799.80x = 42,807,076,583.84
  5. Step 5: Solve for x
    x = 42,807,076,583.84/238,799.80
  6. Step 6: Final answer
    x = 179,259.26

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1.5x scale

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.