Home / 185,512.60-278,341.80-73,173.70

Finding the Fourth Proportional to 185,512.60, 278,341.80 and 73,173.70

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Solution

The fourth proportional to 185,512.60, 278,341.80 and 73,173.70 is: 109,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,512.60 : 278,341.80 = 73,173.70 : x
  2. Step 2: Convert to fraction form
    185,512.60/278,341.80 = 73,173.70/x
  3. Step 3: Cross multiply
    185,512.60x = 278,341.80 × 73,173.70
  4. Step 4: Simplify right side
    185,512.60x = 20,367,299,370.66
  5. Step 5: Solve for x
    x = 20,367,299,370.66/185,512.60
  6. Step 6: Final answer
    x = 109,789.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.