Home / 185,426.75-255,889.04-100,543.83

Finding the Fourth Proportional to 185,426.75, 255,889.04 and 100,543.83

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Solution

The fourth proportional to 185,426.75, 255,889.04 and 100,543.83 is: 138,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,426.75 : 255,889.04 = 100,543.83 : x
  2. Step 2: Convert to fraction form
    185,426.75/255,889.04 = 100,543.83/x
  3. Step 3: Cross multiply
    185,426.75x = 255,889.04 × 100,543.83
  4. Step 4: Simplify right side
    185,426.75x = 25,728,063,633.90
  5. Step 5: Solve for x
    x = 25,728,063,633.90/185,426.75
  6. Step 6: Final answer
    x = 138,750.55

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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.