Home / 118,665.60-177,997.68-47,620.32

Finding the Fourth Proportional to 118,665.60, 177,997.68 and 47,620.32

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Solution

The fourth proportional to 118,665.60, 177,997.68 and 47,620.32 is: 71,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,665.60 : 177,997.68 = 47,620.32 : x
  2. Step 2: Convert to fraction form
    118,665.60/177,997.68 = 47,620.32/x
  3. Step 3: Cross multiply
    118,665.60x = 177,997.68 × 47,620.32
  4. Step 4: Simplify right side
    118,665.60x = 8,476,306,480.86
  5. Step 5: Solve for x
    x = 8,476,306,480.86/118,665.60
  6. Step 6: Final answer
    x = 71,430.19

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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.