Home / 132,608.61-183,003.75-72,183.15

Finding the Fourth Proportional to 132,608.61, 183,003.75 and 72,183.15

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Solution

The fourth proportional to 132,608.61, 183,003.75 and 72,183.15 is: 99,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,608.61 : 183,003.75 = 72,183.15 : x
  2. Step 2: Convert to fraction form
    132,608.61/183,003.75 = 72,183.15/x
  3. Step 3: Cross multiply
    132,608.61x = 183,003.75 × 72,183.15
  4. Step 4: Simplify right side
    132,608.61x = 13,209,785,860.88
  5. Step 5: Solve for x
    x = 13,209,785,860.88/132,608.61
  6. Step 6: Final answer
    x = 99,614.85

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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.