Home / 118,177.40-177,266.10-80,852.60

Finding the Fourth Proportional to 118,177.40, 177,266.10 and 80,852.60

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Solution

The fourth proportional to 118,177.40, 177,266.10 and 80,852.60 is: 121,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,177.40 : 177,266.10 = 80,852.60 : x
  2. Step 2: Convert to fraction form
    118,177.40/177,266.10 = 80,852.60/x
  3. Step 3: Cross multiply
    118,177.40x = 177,266.10 × 80,852.60
  4. Step 4: Simplify right side
    118,177.40x = 14,332,425,076.86
  5. Step 5: Solve for x
    x = 14,332,425,076.86/118,177.40
  6. Step 6: Final answer
    x = 121,278.90

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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.