Home / 243,731.54-336,335.56-134,829.38

Finding the Fourth Proportional to 243,731.54, 336,335.56 and 134,829.38

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Solution

The fourth proportional to 243,731.54, 336,335.56 and 134,829.38 is: 186,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,731.54 : 336,335.56 = 134,829.38 : x
  2. Step 2: Convert to fraction form
    243,731.54/336,335.56 = 134,829.38/x
  3. Step 3: Cross multiply
    243,731.54x = 336,335.56 × 134,829.38
  4. Step 4: Simplify right side
    243,731.54x = 45,347,915,026.75
  5. Step 5: Solve for x
    x = 45,347,915,026.75/243,731.54
  6. Step 6: Final answer
    x = 186,056.82

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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.