Home / 231,263.66-319,146.05-135,771.95

Finding the Fourth Proportional to 231,263.66, 319,146.05 and 135,771.95

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Solution

The fourth proportional to 231,263.66, 319,146.05 and 135,771.95 is: 187,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,263.66 : 319,146.05 = 135,771.95 : x
  2. Step 2: Convert to fraction form
    231,263.66/319,146.05 = 135,771.95/x
  3. Step 3: Cross multiply
    231,263.66x = 319,146.05 × 135,771.95
  4. Step 4: Simplify right side
    231,263.66x = 43,331,081,543.30
  5. Step 5: Solve for x
    x = 43,331,081,543.30/231,263.66
  6. Step 6: Final answer
    x = 187,366.58

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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.