Home / 246,145.28-339,690.48-138,719.84

Finding the Fourth Proportional to 246,145.28, 339,690.48 and 138,719.84

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Solution

The fourth proportional to 246,145.28, 339,690.48 and 138,719.84 is: 191,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,145.28 : 339,690.48 = 138,719.84 : x
  2. Step 2: Convert to fraction form
    246,145.28/339,690.48 = 138,719.84/x
  3. Step 3: Cross multiply
    246,145.28x = 339,690.48 × 138,719.84
  4. Step 4: Simplify right side
    246,145.28x = 47,121,809,035.12
  5. Step 5: Solve for x
    x = 47,121,809,035.12/246,145.28
  6. Step 6: Final answer
    x = 191,439.01

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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.