Home / 129,746.16-194,696.10-54,862.20

Finding the Fourth Proportional to 129,746.16, 194,696.10 and 54,862.20

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Solution

The fourth proportional to 129,746.16, 194,696.10 and 54,862.20 is: 82,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,746.16 : 194,696.10 = 54,862.20 : x
  2. Step 2: Convert to fraction form
    129,746.16/194,696.10 = 54,862.20/x
  3. Step 3: Cross multiply
    129,746.16x = 194,696.10 × 54,862.20
  4. Step 4: Simplify right side
    129,746.16x = 10,681,456,377.42
  5. Step 5: Solve for x
    x = 10,681,456,377.42/129,746.16
  6. Step 6: Final answer
    x = 82,325.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.