Home / 151,385.76-226,690.92-126,363.60

Finding the Fourth Proportional to 151,385.76, 226,690.92 and 126,363.60

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Solution

The fourth proportional to 151,385.76, 226,690.92 and 126,363.60 is: 189,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,385.76 : 226,690.92 = 126,363.60 : x
  2. Step 2: Convert to fraction form
    151,385.76/226,690.92 = 126,363.60/x
  3. Step 3: Cross multiply
    151,385.76x = 226,690.92 × 126,363.60
  4. Step 4: Simplify right side
    151,385.76x = 28,645,480,738.51
  5. Step 5: Solve for x
    x = 28,645,480,738.51/151,385.76
  6. Step 6: Final answer
    x = 189,221.77

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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.