Home / 238,543.74-329,186.40-131,111.34

Finding the Fourth Proportional to 238,543.74, 329,186.40 and 131,111.34

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Solution

The fourth proportional to 238,543.74, 329,186.40 and 131,111.34 is: 180,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,543.74 : 329,186.40 = 131,111.34 : x
  2. Step 2: Convert to fraction form
    238,543.74/329,186.40 = 131,111.34/x
  3. Step 3: Cross multiply
    238,543.74x = 329,186.40 × 131,111.34
  4. Step 4: Simplify right side
    238,543.74x = 43,160,070,013.78
  5. Step 5: Solve for x
    x = 43,160,070,013.78/238,543.74
  6. Step 6: Final answer
    x = 180,931.47

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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.