Home / 131,888.09-182,001.32-75,299.46

Finding the Fourth Proportional to 131,888.09, 182,001.32 and 75,299.46

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Solution

The fourth proportional to 131,888.09, 182,001.32 and 75,299.46 is: 103,910.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,888.09 : 182,001.32 = 75,299.46 : x
  2. Step 2: Convert to fraction form
    131,888.09/182,001.32 = 75,299.46/x
  3. Step 3: Cross multiply
    131,888.09x = 182,001.32 × 75,299.46
  4. Step 4: Simplify right side
    131,888.09x = 13,704,600,738.79
  5. Step 5: Solve for x
    x = 13,704,600,738.79/131,888.09
  6. Step 6: Final answer
    x = 103,910.83

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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.