Home / 72,252.96-108,398.92-30,119.04

Finding the Fourth Proportional to 72,252.96, 108,398.92 and 30,119.04

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Solution

The fourth proportional to 72,252.96, 108,398.92 and 30,119.04 is: 45,186.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,252.96 : 108,398.92 = 30,119.04 : x
  2. Step 2: Convert to fraction form
    72,252.96/108,398.92 = 30,119.04/x
  3. Step 3: Cross multiply
    72,252.96x = 108,398.92 × 30,119.04
  4. Step 4: Simplify right side
    72,252.96x = 3,264,871,407.44
  5. Step 5: Solve for x
    x = 3,264,871,407.44/72,252.96
  6. Step 6: Final answer
    x = 45,186.68

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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.