Home / 72,233.02-108,369.47-30,132.89

Finding the Fourth Proportional to 72,233.02, 108,369.47 and 30,132.89

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Solution

The fourth proportional to 72,233.02, 108,369.47 and 30,132.89 is: 45,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,233.02 : 108,369.47 = 30,132.89 : x
  2. Step 2: Convert to fraction form
    72,233.02/108,369.47 = 30,132.89/x
  3. Step 3: Cross multiply
    72,233.02x = 108,369.47 × 30,132.89
  4. Step 4: Simplify right side
    72,233.02x = 3,265,485,168.20
  5. Step 5: Solve for x
    x = 3,265,485,168.20/72,233.02
  6. Step 6: Final answer
    x = 45,207.65

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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.