Home / 124,781.46-172,198.49-68,192.83

Finding the Fourth Proportional to 124,781.46, 172,198.49 and 68,192.83

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Solution

The fourth proportional to 124,781.46, 172,198.49 and 68,192.83 is: 94,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,781.46 : 172,198.49 = 68,192.83 : x
  2. Step 2: Convert to fraction form
    124,781.46/172,198.49 = 68,192.83/x
  3. Step 3: Cross multiply
    124,781.46x = 172,198.49 × 68,192.83
  4. Step 4: Simplify right side
    124,781.46x = 11,742,702,354.83
  5. Step 5: Solve for x
    x = 11,742,702,354.83/124,781.46
  6. Step 6: Final answer
    x = 94,106.15

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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.