Home / 118,220.90-177,331.35-80,896.10

Finding the Fourth Proportional to 118,220.90, 177,331.35 and 80,896.10

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Solution

The fourth proportional to 118,220.90, 177,331.35 and 80,896.10 is: 121,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,220.90 : 177,331.35 = 80,896.10 : x
  2. Step 2: Convert to fraction form
    118,220.90/177,331.35 = 80,896.10/x
  3. Step 3: Cross multiply
    118,220.90x = 177,331.35 × 80,896.10
  4. Step 4: Simplify right side
    118,220.90x = 14,345,414,622.74
  5. Step 5: Solve for x
    x = 14,345,414,622.74/118,220.90
  6. Step 6: Final answer
    x = 121,344.15

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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.