Home / 231,348.56-319,132.78-134,541.81

Finding the Fourth Proportional to 231,348.56, 319,132.78 and 134,541.81

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Solution

The fourth proportional to 231,348.56, 319,132.78 and 134,541.81 is: 185,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,348.56 : 319,132.78 = 134,541.81 : x
  2. Step 2: Convert to fraction form
    231,348.56/319,132.78 = 134,541.81/x
  3. Step 3: Cross multiply
    231,348.56x = 319,132.78 × 134,541.81
  4. Step 4: Simplify right side
    231,348.56x = 42,936,701,515.18
  5. Step 5: Solve for x
    x = 42,936,701,515.18/231,348.56
  6. Step 6: Final answer
    x = 185,593.13

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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.