Home / 243,971.38-336,685.08-136,553.32

Finding the Fourth Proportional to 243,971.38, 336,685.08 and 136,553.32

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Solution

The fourth proportional to 243,971.38, 336,685.08 and 136,553.32 is: 188,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,971.38 : 336,685.08 = 136,553.32 : x
  2. Step 2: Convert to fraction form
    243,971.38/336,685.08 = 136,553.32/x
  3. Step 3: Cross multiply
    243,971.38x = 336,685.08 × 136,553.32
  4. Step 4: Simplify right side
    243,971.38x = 45,975,465,468.47
  5. Step 5: Solve for x
    x = 45,975,465,468.47/243,971.38
  6. Step 6: Final answer
    x = 188,446.14

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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.