Home / 243,654.24-336,250.26-136,228.80

Finding the Fourth Proportional to 243,654.24, 336,250.26 and 136,228.80

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Solution

The fourth proportional to 243,654.24, 336,250.26 and 136,228.80 is: 187,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,654.24 : 336,250.26 = 136,228.80 : x
  2. Step 2: Convert to fraction form
    243,654.24/336,250.26 = 136,228.80/x
  3. Step 3: Cross multiply
    243,654.24x = 336,250.26 × 136,228.80
  4. Step 4: Simplify right side
    243,654.24x = 45,806,969,419.49
  5. Step 5: Solve for x
    x = 45,806,969,419.49/243,654.24
  6. Step 6: Final answer
    x = 187,999.89

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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.