Home / 158,734.68-219,042.06-87,103.32

Finding the Fourth Proportional to 158,734.68, 219,042.06 and 87,103.32

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Solution

The fourth proportional to 158,734.68, 219,042.06 and 87,103.32 is: 120,196.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,734.68 : 219,042.06 = 87,103.32 : x
  2. Step 2: Convert to fraction form
    158,734.68/219,042.06 = 87,103.32/x
  3. Step 3: Cross multiply
    158,734.68x = 219,042.06 × 87,103.32
  4. Step 4: Simplify right side
    158,734.68x = 19,079,290,645.64
  5. Step 5: Solve for x
    x = 19,079,290,645.64/158,734.68
  6. Step 6: Final answer
    x = 120,196.11

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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.