Home / 118,218.20-177,327.30-94,890.20

Finding the Fourth Proportional to 118,218.20, 177,327.30 and 94,890.20

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Solution

The fourth proportional to 118,218.20, 177,327.30 and 94,890.20 is: 142,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,218.20 : 177,327.30 = 94,890.20 : x
  2. Step 2: Convert to fraction form
    118,218.20/177,327.30 = 94,890.20/x
  3. Step 3: Cross multiply
    118,218.20x = 177,327.30 × 94,890.20
  4. Step 4: Simplify right side
    118,218.20x = 16,826,622,962.46
  5. Step 5: Solve for x
    x = 16,826,622,962.46/118,218.20
  6. Step 6: Final answer
    x = 142,335.30

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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.