Home / 238,670.13-329,373.26-131,248.34

Finding the Fourth Proportional to 238,670.13, 329,373.26 and 131,248.34

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Solution

The fourth proportional to 238,670.13, 329,373.26 and 131,248.34 is: 181,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,670.13 : 329,373.26 = 131,248.34 : x
  2. Step 2: Convert to fraction form
    238,670.13/329,373.26 = 131,248.34/x
  3. Step 3: Cross multiply
    238,670.13x = 329,373.26 × 131,248.34
  4. Step 4: Simplify right side
    238,670.13x = 43,229,691,312.28
  5. Step 5: Solve for x
    x = 43,229,691,312.28/238,670.13
  6. Step 6: Final answer
    x = 181,127.36

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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.