Home / 183,741.12-275,456.16-72,872.64

Finding the Fourth Proportional to 183,741.12, 275,456.16 and 72,872.64

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Solution

The fourth proportional to 183,741.12, 275,456.16 and 72,872.64 is: 109,247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,741.12 : 275,456.16 = 72,872.64 : x
  2. Step 2: Convert to fraction form
    183,741.12/275,456.16 = 72,872.64/x
  3. Step 3: Cross multiply
    183,741.12x = 275,456.16 × 72,872.64
  4. Step 4: Simplify right side
    183,741.12x = 20,073,217,583.46
  5. Step 5: Solve for x
    x = 20,073,217,583.46/183,741.12
  6. Step 6: Final answer
    x = 109,247.28

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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.