Home / 124,929.06-172,147.05-89,042.82

Finding the Fourth Proportional to 124,929.06, 172,147.05 and 89,042.82

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Solution

The fourth proportional to 124,929.06, 172,147.05 and 89,042.82 is: 122,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,929.06 : 172,147.05 = 89,042.82 : x
  2. Step 2: Convert to fraction form
    124,929.06/172,147.05 = 89,042.82/x
  3. Step 3: Cross multiply
    124,929.06x = 172,147.05 × 89,042.82
  4. Step 4: Simplify right side
    124,929.06x = 15,328,458,786.68
  5. Step 5: Solve for x
    x = 15,328,458,786.68/124,929.06
  6. Step 6: Final answer
    x = 122,697.30

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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.