Home / 185,444.85-255,914.03-100,561.89

Finding the Fourth Proportional to 185,444.85, 255,914.03 and 100,561.89

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Solution

The fourth proportional to 185,444.85, 255,914.03 and 100,561.89 is: 138,775.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,444.85 : 255,914.03 = 100,561.89 : x
  2. Step 2: Convert to fraction form
    185,444.85/255,914.03 = 100,561.89/x
  3. Step 3: Cross multiply
    185,444.85x = 255,914.03 × 100,561.89
  4. Step 4: Simplify right side
    185,444.85x = 25,735,198,785.72
  5. Step 5: Solve for x
    x = 25,735,198,785.72/185,444.85
  6. Step 6: Final answer
    x = 138,775.48

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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.