Home / 185,318.34-255,739.26-100,435.42

Finding the Fourth Proportional to 185,318.34, 255,739.26 and 100,435.42

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Solution

The fourth proportional to 185,318.34, 255,739.26 and 100,435.42 is: 138,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,318.34 : 255,739.26 = 100,435.42 : x
  2. Step 2: Convert to fraction form
    185,318.34/255,739.26 = 100,435.42/x
  3. Step 3: Cross multiply
    185,318.34x = 255,739.26 × 100,435.42
  4. Step 4: Simplify right side
    185,318.34x = 25,685,279,988.59
  5. Step 5: Solve for x
    x = 25,685,279,988.59/185,318.34
  6. Step 6: Final answer
    x = 138,600.85

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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.