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Finding the Fourth Proportional to 88,147.67, 132,193.44 and 28,969.67

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Solution

The fourth proportional to 88,147.67, 132,193.44 and 28,969.67 is: 43,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,147.67 : 132,193.44 = 28,969.67 : x
  2. Step 2: Convert to fraction form
    88,147.67/132,193.44 = 28,969.67/x
  3. Step 3: Cross multiply
    88,147.67x = 132,193.44 × 28,969.67
  4. Step 4: Simplify right side
    88,147.67x = 3,829,599,672.00
  5. Step 5: Solve for x
    x = 3,829,599,672.00/88,147.67
  6. Step 6: Final answer
    x = 43,445.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.