Home / 243,541.75-336,073.13-134,639.56

Finding the Fourth Proportional to 243,541.75, 336,073.13 and 134,639.56

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Solution

The fourth proportional to 243,541.75, 336,073.13 and 134,639.56 is: 185,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,541.75 : 336,073.13 = 134,639.56 : x
  2. Step 2: Convert to fraction form
    243,541.75/336,073.13 = 134,639.56/x
  3. Step 3: Cross multiply
    243,541.75x = 336,073.13 × 134,639.56
  4. Step 4: Simplify right side
    243,541.75x = 45,248,738,351.02
  5. Step 5: Solve for x
    x = 45,248,738,351.02/243,541.75
  6. Step 6: Final answer
    x = 185,794.58

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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.