Home / 118,200.90-177,301.35-80,876.10

Finding the Fourth Proportional to 118,200.90, 177,301.35 and 80,876.10

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Solution

The fourth proportional to 118,200.90, 177,301.35 and 80,876.10 is: 121,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,200.90 : 177,301.35 = 80,876.10 : x
  2. Step 2: Convert to fraction form
    118,200.90/177,301.35 = 80,876.10/x
  3. Step 3: Cross multiply
    118,200.90x = 177,301.35 × 80,876.10
  4. Step 4: Simplify right side
    118,200.90x = 14,339,441,712.74
  5. Step 5: Solve for x
    x = 14,339,441,712.74/118,200.90
  6. Step 6: Final answer
    x = 121,314.15

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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.