Home / 131,756.96-181,824.38-71,327.58

Finding the Fourth Proportional to 131,756.96, 181,824.38 and 71,327.58

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Solution

The fourth proportional to 131,756.96, 181,824.38 and 71,327.58 is: 98,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,756.96 : 181,824.38 = 71,327.58 : x
  2. Step 2: Convert to fraction form
    131,756.96/181,824.38 = 71,327.58/x
  3. Step 3: Cross multiply
    131,756.96x = 181,824.38 × 71,327.58
  4. Step 4: Simplify right side
    131,756.96x = 12,969,093,010.40
  5. Step 5: Solve for x
    x = 12,969,093,010.40/131,756.96
  6. Step 6: Final answer
    x = 98,431.94

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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.