Home / 231,349.23-319,269.60-127,984.86

Finding the Fourth Proportional to 231,349.23, 319,269.60 and 127,984.86

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Solution

The fourth proportional to 231,349.23, 319,269.60 and 127,984.86 is: 176,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,349.23 : 319,269.60 = 127,984.86 : x
  2. Step 2: Convert to fraction form
    231,349.23/319,269.60 = 127,984.86/x
  3. Step 3: Cross multiply
    231,349.23x = 319,269.60 × 127,984.86
  4. Step 4: Simplify right side
    231,349.23x = 40,861,675,058.26
  5. Step 5: Solve for x
    x = 40,861,675,058.26/231,349.23
  6. Step 6: Final answer
    x = 176,623.35

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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.