Home / 231,349.56-319,134.16-134,542.81

Finding the Fourth Proportional to 231,349.56, 319,134.16 and 134,542.81

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Solution

The fourth proportional to 231,349.56, 319,134.16 and 134,542.81 is: 185,594.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,349.56 : 319,134.16 = 134,542.81 : x
  2. Step 2: Convert to fraction form
    231,349.56/319,134.16 = 134,542.81/x
  3. Step 3: Cross multiply
    231,349.56x = 319,134.16 × 134,542.81
  4. Step 4: Simplify right side
    231,349.56x = 42,937,206,653.39
  5. Step 5: Solve for x
    x = 42,937,206,653.39/231,349.56
  6. Step 6: Final answer
    x = 185,594.50

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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.