Home / 234,007.20-351,010.80-76,251.60

Finding the Fourth Proportional to 234,007.20, 351,010.80 and 76,251.60

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Solution

The fourth proportional to 234,007.20, 351,010.80 and 76,251.60 is: 114,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,007.20 : 351,010.80 = 76,251.60 : x
  2. Step 2: Convert to fraction form
    234,007.20/351,010.80 = 76,251.60/x
  3. Step 3: Cross multiply
    234,007.20x = 351,010.80 × 76,251.60
  4. Step 4: Simplify right side
    234,007.20x = 26,765,135,117.28
  5. Step 5: Solve for x
    x = 26,765,135,117.28/234,007.20
  6. Step 6: Final answer
    x = 114,377.40

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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.