Home / 243,769.22-336,399.59-136,339.17

Finding the Fourth Proportional to 243,769.22, 336,399.59 and 136,339.17

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Solution

The fourth proportional to 243,769.22, 336,399.59 and 136,339.17 is: 188,146.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,769.22 : 336,399.59 = 136,339.17 : x
  2. Step 2: Convert to fraction form
    243,769.22/336,399.59 = 136,339.17/x
  3. Step 3: Cross multiply
    243,769.22x = 336,399.59 × 136,339.17
  4. Step 4: Simplify right side
    243,769.22x = 45,864,440,548.09
  5. Step 5: Solve for x
    x = 45,864,440,548.09/243,769.22
  6. Step 6: Final answer
    x = 188,146.97

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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.