Home / 129,146.97-178,271.16-96,974.52

Finding the Fourth Proportional to 129,146.97, 178,271.16 and 96,974.52

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Solution

The fourth proportional to 129,146.97, 178,271.16 and 96,974.52 is: 133,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,146.97 : 178,271.16 = 96,974.52 : x
  2. Step 2: Convert to fraction form
    129,146.97/178,271.16 = 96,974.52/x
  3. Step 3: Cross multiply
    129,146.97x = 178,271.16 × 96,974.52
  4. Step 4: Simplify right side
    129,146.97x = 17,287,760,170.84
  5. Step 5: Solve for x
    x = 17,287,760,170.84/129,146.97
  6. Step 6: Final answer
    x = 133,861.14

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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.