Home / 243,865.29-336,520.35-134,963.61

Finding the Fourth Proportional to 243,865.29, 336,520.35 and 134,963.61

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Solution

The fourth proportional to 243,865.29, 336,520.35 and 134,963.61 is: 186,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,865.29 : 336,520.35 = 134,963.61 : x
  2. Step 2: Convert to fraction form
    243,865.29/336,520.35 = 134,963.61/x
  3. Step 3: Cross multiply
    243,865.29x = 336,520.35 × 134,963.61
  4. Step 4: Simplify right side
    243,865.29x = 45,418,001,274.46
  5. Step 5: Solve for x
    x = 45,418,001,274.46/243,865.29
  6. Step 6: Final answer
    x = 186,242.17

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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.