Home / 118,152.20-177,066.30-75,902.60

Finding the Fourth Proportional to 118,152.20, 177,066.30 and 75,902.60

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Solution

The fourth proportional to 118,152.20, 177,066.30 and 75,902.60 is: 113,749.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,152.20 : 177,066.30 = 75,902.60 : x
  2. Step 2: Convert to fraction form
    118,152.20/177,066.30 = 75,902.60/x
  3. Step 3: Cross multiply
    118,152.20x = 177,066.30 × 75,902.60
  4. Step 4: Simplify right side
    118,152.20x = 13,439,792,542.38
  5. Step 5: Solve for x
    x = 13,439,792,542.38/118,152.20
  6. Step 6: Final answer
    x = 113,749.83

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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.