Home / 246,151.66-339,684.58-138,719.55

Finding the Fourth Proportional to 246,151.66, 339,684.58 and 138,719.55

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Solution

The fourth proportional to 246,151.66, 339,684.58 and 138,719.55 is: 191,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,151.66 : 339,684.58 = 138,719.55 : x
  2. Step 2: Convert to fraction form
    246,151.66/339,684.58 = 138,719.55/x
  3. Step 3: Cross multiply
    246,151.66x = 339,684.58 × 138,719.55
  4. Step 4: Simplify right side
    246,151.66x = 47,120,892,079.54
  5. Step 5: Solve for x
    x = 47,120,892,079.54/246,151.66
  6. Step 6: Final answer
    x = 191,430.32

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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.