Home / 230,301.26-345,451.89-89,961.47

Finding the Fourth Proportional to 230,301.26, 345,451.89 and 89,961.47

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Solution

The fourth proportional to 230,301.26, 345,451.89 and 89,961.47 is: 134,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,301.26 : 345,451.89 = 89,961.47 : x
  2. Step 2: Convert to fraction form
    230,301.26/345,451.89 = 89,961.47/x
  3. Step 3: Cross multiply
    230,301.26x = 345,451.89 × 89,961.47
  4. Step 4: Simplify right side
    230,301.26x = 31,077,359,838.68
  5. Step 5: Solve for x
    x = 31,077,359,838.68/230,301.26
  6. Step 6: Final answer
    x = 134,942.21

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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.