Home / 151,569.06-209,165.17-87,042.52

Finding the Fourth Proportional to 151,569.06, 209,165.17 and 87,042.52

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Solution

The fourth proportional to 151,569.06, 209,165.17 and 87,042.52 is: 120,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,569.06 : 209,165.17 = 87,042.52 : x
  2. Step 2: Convert to fraction form
    151,569.06/209,165.17 = 87,042.52/x
  3. Step 3: Cross multiply
    151,569.06x = 209,165.17 × 87,042.52
  4. Step 4: Simplify right side
    151,569.06x = 18,206,263,493.03
  5. Step 5: Solve for x
    x = 18,206,263,493.03/151,569.06
  6. Step 6: Final answer
    x = 120,118.60

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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.