Home / 185,414.08-255,869.13-100,530.94

Finding the Fourth Proportional to 185,414.08, 255,869.13 and 100,530.94

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Solution

The fourth proportional to 185,414.08, 255,869.13 and 100,530.94 is: 138,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,414.08 : 255,869.13 = 100,530.94 : x
  2. Step 2: Convert to fraction form
    185,414.08/255,869.13 = 100,530.94/x
  3. Step 3: Cross multiply
    185,414.08x = 255,869.13 × 100,530.94
  4. Step 4: Simplify right side
    185,414.08x = 25,722,764,155.88
  5. Step 5: Solve for x
    x = 25,722,764,155.88/185,414.08
  6. Step 6: Final answer
    x = 138,731.45

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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.