Home / 246,080.16-339,586.56-138,661.20

Finding the Fourth Proportional to 246,080.16, 339,586.56 and 138,661.20

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Solution

The fourth proportional to 246,080.16, 339,586.56 and 138,661.20 is: 191,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,080.16 : 339,586.56 = 138,661.20 : x
  2. Step 2: Convert to fraction form
    246,080.16/339,586.56 = 138,661.20/x
  3. Step 3: Cross multiply
    246,080.16x = 339,586.56 × 138,661.20
  4. Step 4: Simplify right side
    246,080.16x = 47,087,479,913.47
  5. Step 5: Solve for x
    x = 47,087,479,913.47/246,080.16
  6. Step 6: Final answer
    x = 191,350.17

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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.