Home / 72,156.02-108,228.89-22,230.92

Finding the Fourth Proportional to 72,156.02, 108,228.89 and 22,230.92

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Solution

The fourth proportional to 72,156.02, 108,228.89 and 22,230.92 is: 33,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,156.02 : 108,228.89 = 22,230.92 : x
  2. Step 2: Convert to fraction form
    72,156.02/108,228.89 = 22,230.92/x
  3. Step 3: Cross multiply
    72,156.02x = 108,228.89 × 22,230.92
  4. Step 4: Simplify right side
    72,156.02x = 2,406,028,121.43
  5. Step 5: Solve for x
    x = 2,406,028,121.43/72,156.02
  6. Step 6: Final answer
    x = 33,344.80

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1.5x scale

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.