Home / 238,957.77-329,749.20-131,507.27

Finding the Fourth Proportional to 238,957.77, 329,749.20 and 131,507.27

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Solution

The fourth proportional to 238,957.77, 329,749.20 and 131,507.27 is: 181,473.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,957.77 : 329,749.20 = 131,507.27 : x
  2. Step 2: Convert to fraction form
    238,957.77/329,749.20 = 131,507.27/x
  3. Step 3: Cross multiply
    238,957.77x = 329,749.20 × 131,507.27
  4. Step 4: Simplify right side
    238,957.77x = 43,364,417,076.68
  5. Step 5: Solve for x
    x = 43,364,417,076.68/238,957.77
  6. Step 6: Final answer
    x = 181,473.14

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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.