Home / 170,844.10-256,266.15-86,863.30

Finding the Fourth Proportional to 170,844.10, 256,266.15 and 86,863.30

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Solution

The fourth proportional to 170,844.10, 256,266.15 and 86,863.30 is: 130,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,844.10 : 256,266.15 = 86,863.30 : x
  2. Step 2: Convert to fraction form
    170,844.10/256,266.15 = 86,863.30/x
  3. Step 3: Cross multiply
    170,844.10x = 256,266.15 × 86,863.30
  4. Step 4: Simplify right side
    170,844.10x = 22,260,123,467.30
  5. Step 5: Solve for x
    x = 22,260,123,467.30/170,844.10
  6. Step 6: Final answer
    x = 130,294.95

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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.