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Finding the Fourth Proportional to 131,227.26, 181,000.32 and 87,597.84

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Solution

The fourth proportional to 131,227.26, 181,000.32 and 87,597.84 is: 120,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,227.26 : 181,000.32 = 87,597.84 : x
  2. Step 2: Convert to fraction form
    131,227.26/181,000.32 = 87,597.84/x
  3. Step 3: Cross multiply
    131,227.26x = 181,000.32 × 87,597.84
  4. Step 4: Simplify right side
    131,227.26x = 15,855,237,071.31
  5. Step 5: Solve for x
    x = 15,855,237,071.31/131,227.26
  6. Step 6: Final answer
    x = 120,822.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.