Home / 238,526.12-329,164.74-129,629.48

Finding the Fourth Proportional to 238,526.12, 329,164.74 and 129,629.48

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Solution

The fourth proportional to 238,526.12, 329,164.74 and 129,629.48 is: 178,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,526.12 : 329,164.74 = 129,629.48 : x
  2. Step 2: Convert to fraction form
    238,526.12/329,164.74 = 129,629.48/x
  3. Step 3: Cross multiply
    238,526.12x = 329,164.74 × 129,629.48
  4. Step 4: Simplify right side
    238,526.12x = 42,669,454,080.54
  5. Step 5: Solve for x
    x = 42,669,454,080.54/238,526.12
  6. Step 6: Final answer
    x = 178,887.97

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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.