Home / 246,209.16-339,763.89-138,777.12

Finding the Fourth Proportional to 246,209.16, 339,763.89 and 138,777.12

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Solution

The fourth proportional to 246,209.16, 339,763.89 and 138,777.12 is: 191,509.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,209.16 : 339,763.89 = 138,777.12 : x
  2. Step 2: Convert to fraction form
    246,209.16/339,763.89 = 138,777.12/x
  3. Step 3: Cross multiply
    246,209.16x = 339,763.89 × 138,777.12
  4. Step 4: Simplify right side
    246,209.16x = 47,151,454,134.20
  5. Step 5: Solve for x
    x = 47,151,454,134.20/246,209.16
  6. Step 6: Final answer
    x = 191,509.75

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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.