Home / 243,960.12-336,666.68-136,540.15

Finding the Fourth Proportional to 243,960.12, 336,666.68 and 136,540.15

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Solution

The fourth proportional to 243,960.12, 336,666.68 and 136,540.15 is: 188,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,960.12 : 336,666.68 = 136,540.15 : x
  2. Step 2: Convert to fraction form
    243,960.12/336,666.68 = 136,540.15/x
  3. Step 3: Cross multiply
    243,960.12x = 336,666.68 × 136,540.15
  4. Step 4: Simplify right side
    243,960.12x = 45,968,517,974.86
  5. Step 5: Solve for x
    x = 45,968,517,974.86/243,960.12
  6. Step 6: Final answer
    x = 188,426.36

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1.5x scale

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.