Home / 243,719.72-336,326.92-134,821.23

Finding the Fourth Proportional to 243,719.72, 336,326.92 and 134,821.23

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Solution

The fourth proportional to 243,719.72, 336,326.92 and 134,821.23 is: 186,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,719.72 : 336,326.92 = 134,821.23 : x
  2. Step 2: Convert to fraction form
    243,719.72/336,326.92 = 134,821.23/x
  3. Step 3: Cross multiply
    243,719.72x = 336,326.92 × 134,821.23
  4. Step 4: Simplify right side
    243,719.72x = 45,344,007,438.23
  5. Step 5: Solve for x
    x = 45,344,007,438.23/243,719.72
  6. Step 6: Final answer
    x = 186,049.81

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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.