Home / 185,201.48-255,577.20-100,318.74

Finding the Fourth Proportional to 185,201.48, 255,577.20 and 100,318.74

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Solution

The fourth proportional to 185,201.48, 255,577.20 and 100,318.74 is: 138,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,201.48 : 255,577.20 = 100,318.74 : x
  2. Step 2: Convert to fraction form
    185,201.48/255,577.20 = 100,318.74/x
  3. Step 3: Cross multiply
    185,201.48x = 255,577.20 × 100,318.74
  4. Step 4: Simplify right side
    185,201.48x = 25,639,182,676.73
  5. Step 5: Solve for x
    x = 25,639,182,676.73/185,201.48
  6. Step 6: Final answer
    x = 138,439.40

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1.5x scale

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.