Home / 146,023.20-218,983.60-75,879.20

Finding the Fourth Proportional to 146,023.20, 218,983.60 and 75,879.20

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Solution

The fourth proportional to 146,023.20, 218,983.60 and 75,879.20 is: 113,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,023.20 : 218,983.60 = 75,879.20 : x
  2. Step 2: Convert to fraction form
    146,023.20/218,983.60 = 75,879.20/x
  3. Step 3: Cross multiply
    146,023.20x = 218,983.60 × 75,879.20
  4. Step 4: Simplify right side
    146,023.20x = 16,616,300,381.12
  5. Step 5: Solve for x
    x = 16,616,300,381.12/146,023.20
  6. Step 6: Final answer
    x = 113,792.19

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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.