Home / 246,142.64-339,696.83-138,719.95

Finding the Fourth Proportional to 246,142.64, 339,696.83 and 138,719.95

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Solution

The fourth proportional to 246,142.64, 339,696.83 and 138,719.95 is: 191,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,142.64 : 339,696.83 = 138,719.95 : x
  2. Step 2: Convert to fraction form
    246,142.64/339,696.83 = 138,719.95/x
  3. Step 3: Cross multiply
    246,142.64x = 339,696.83 × 138,719.95
  4. Step 4: Simplify right side
    246,142.64x = 47,122,726,770.32
  5. Step 5: Solve for x
    x = 47,122,726,770.32/246,142.64
  6. Step 6: Final answer
    x = 191,444.79

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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.