Home / 109,445.26-151,057.94-69,133.38

Finding the Fourth Proportional to 109,445.26, 151,057.94 and 69,133.38

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Solution

The fourth proportional to 109,445.26, 151,057.94 and 69,133.38 is: 95,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,445.26 : 151,057.94 = 69,133.38 : x
  2. Step 2: Convert to fraction form
    109,445.26/151,057.94 = 69,133.38/x
  3. Step 3: Cross multiply
    109,445.26x = 151,057.94 × 69,133.38
  4. Step 4: Simplify right side
    109,445.26x = 10,443,145,968.04
  5. Step 5: Solve for x
    x = 10,443,145,968.04/109,445.26
  6. Step 6: Final answer
    x = 95,418.90

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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.