Home / 118,217.40-177,326.10-80,892.60

Finding the Fourth Proportional to 118,217.40, 177,326.10 and 80,892.60

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Solution

The fourth proportional to 118,217.40, 177,326.10 and 80,892.60 is: 121,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,217.40 : 177,326.10 = 80,892.60 : x
  2. Step 2: Convert to fraction form
    118,217.40/177,326.10 = 80,892.60/x
  3. Step 3: Cross multiply
    118,217.40x = 177,326.10 × 80,892.60
  4. Step 4: Simplify right side
    118,217.40x = 14,344,369,276.86
  5. Step 5: Solve for x
    x = 14,344,369,276.86/118,217.40
  6. Step 6: Final answer
    x = 121,338.90

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1.5x scale

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.