Home / 72,234.02-108,370.97-30,133.89

Finding the Fourth Proportional to 72,234.02, 108,370.97 and 30,133.89

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Solution

The fourth proportional to 72,234.02, 108,370.97 and 30,133.89 is: 45,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,234.02 : 108,370.97 = 30,133.89 : x
  2. Step 2: Convert to fraction form
    72,234.02/108,370.97 = 30,133.89/x
  3. Step 3: Cross multiply
    72,234.02x = 108,370.97 × 30,133.89
  4. Step 4: Simplify right side
    72,234.02x = 3,265,638,889.17
  5. Step 5: Solve for x
    x = 3,265,638,889.17/72,234.02
  6. Step 6: Final answer
    x = 45,209.15

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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.