Home / 246,691.11-340,449.66-139,221.93

Finding the Fourth Proportional to 246,691.11, 340,449.66 and 139,221.93

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Solution

The fourth proportional to 246,691.11, 340,449.66 and 139,221.93 is: 192,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,691.11 : 340,449.66 = 139,221.93 : x
  2. Step 2: Convert to fraction form
    246,691.11/340,449.66 = 139,221.93/x
  3. Step 3: Cross multiply
    246,691.11x = 340,449.66 × 139,221.93
  4. Step 4: Simplify right side
    246,691.11x = 47,398,058,733.04
  5. Step 5: Solve for x
    x = 47,398,058,733.04/246,691.11
  6. Step 6: Final answer
    x = 192,135.25

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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.