Home / 158,884.32-219,273.30-87,278.16

Finding the Fourth Proportional to 158,884.32, 219,273.30 and 87,278.16

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Solution

The fourth proportional to 158,884.32, 219,273.30 and 87,278.16 is: 120,450.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,884.32 : 219,273.30 = 87,278.16 : x
  2. Step 2: Convert to fraction form
    158,884.32/219,273.30 = 87,278.16/x
  3. Step 3: Cross multiply
    158,884.32x = 219,273.30 × 87,278.16
  4. Step 4: Simplify right side
    158,884.32x = 19,137,770,161.13
  5. Step 5: Solve for x
    x = 19,137,770,161.13/158,884.32
  6. Step 6: Final answer
    x = 120,450.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.