Home / 156,278.88-234,105.66-71,923.46

Finding the Fourth Proportional to 156,278.88, 234,105.66 and 71,923.46

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Solution

The fourth proportional to 156,278.88, 234,105.66 and 71,923.46 is: 107,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,278.88 : 234,105.66 = 71,923.46 : x
  2. Step 2: Convert to fraction form
    156,278.88/234,105.66 = 71,923.46/x
  3. Step 3: Cross multiply
    156,278.88x = 234,105.66 × 71,923.46
  4. Step 4: Simplify right side
    156,278.88x = 16,837,687,902.26
  5. Step 5: Solve for x
    x = 16,837,687,902.26/156,278.88
  6. Step 6: Final answer
    x = 107,741.29

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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.