Home / 238,830.60-329,588.84-129,935.55

Finding the Fourth Proportional to 238,830.60, 329,588.84 and 129,935.55

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Solution

The fourth proportional to 238,830.60, 329,588.84 and 129,935.55 is: 179,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,830.60 : 329,588.84 = 129,935.55 : x
  2. Step 2: Convert to fraction form
    238,830.60/329,588.84 = 129,935.55/x
  3. Step 3: Cross multiply
    238,830.60x = 329,588.84 × 129,935.55
  4. Step 4: Simplify right side
    238,830.60x = 42,825,306,549.58
  5. Step 5: Solve for x
    x = 42,825,306,549.58/238,830.60
  6. Step 6: Final answer
    x = 179,312.48

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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.