Home / 152,883.20-229,324.80-78,233.60

Finding the Fourth Proportional to 152,883.20, 229,324.80 and 78,233.60

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Solution

The fourth proportional to 152,883.20, 229,324.80 and 78,233.60 is: 117,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,883.20 : 229,324.80 = 78,233.60 : x
  2. Step 2: Convert to fraction form
    152,883.20/229,324.80 = 78,233.60/x
  3. Step 3: Cross multiply
    152,883.20x = 229,324.80 × 78,233.60
  4. Step 4: Simplify right side
    152,883.20x = 17,940,904,673.28
  5. Step 5: Solve for x
    x = 17,940,904,673.28/152,883.20
  6. Step 6: Final answer
    x = 117,350.40

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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.