Home / 72,755.02-109,132.80-22,154.50

Finding the Fourth Proportional to 72,755.02, 109,132.80 and 22,154.50

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Solution

The fourth proportional to 72,755.02, 109,132.80 and 22,154.50 is: 33,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,755.02 : 109,132.80 = 22,154.50 : x
  2. Step 2: Convert to fraction form
    72,755.02/109,132.80 = 22,154.50/x
  3. Step 3: Cross multiply
    72,755.02x = 109,132.80 × 22,154.50
  4. Step 4: Simplify right side
    72,755.02x = 2,417,782,617.60
  5. Step 5: Solve for x
    x = 2,417,782,617.60/72,755.02
  6. Step 6: Final answer
    x = 33,231.83

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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.