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Finding the Fourth Proportional to 127,886.50, 176,481.03 and 70,531.12

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Solution

The fourth proportional to 127,886.50, 176,481.03 and 70,531.12 is: 97,331.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,886.50 : 176,481.03 = 70,531.12 : x
  2. Step 2: Convert to fraction form
    127,886.50/176,481.03 = 70,531.12/x
  3. Step 3: Cross multiply
    127,886.50x = 176,481.03 × 70,531.12
  4. Step 4: Simplify right side
    127,886.50x = 12,447,404,704.65
  5. Step 5: Solve for x
    x = 12,447,404,704.65/127,886.50
  6. Step 6: Final answer
    x = 97,331.66

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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.