Home / 239,034.40-329,864.72-131,602.16

Finding the Fourth Proportional to 239,034.40, 329,864.72 and 131,602.16

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Solution

The fourth proportional to 239,034.40, 329,864.72 and 131,602.16 is: 181,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,034.40 : 329,864.72 = 131,602.16 : x
  2. Step 2: Convert to fraction form
    239,034.40/329,864.72 = 131,602.16/x
  3. Step 3: Cross multiply
    239,034.40x = 329,864.72 × 131,602.16
  4. Step 4: Simplify right side
    239,034.40x = 43,410,909,659.80
  5. Step 5: Solve for x
    x = 43,410,909,659.80/239,034.40
  6. Step 6: Final answer
    x = 181,609.47

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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.