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Finding the Fourth Proportional to 73,156.80, 109,745.66 and 22,560.11

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Solution

The fourth proportional to 73,156.80, 109,745.66 and 22,560.11 is: 33,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,156.80 : 109,745.66 = 22,560.11 : x
  2. Step 2: Convert to fraction form
    73,156.80/109,745.66 = 22,560.11/x
  3. Step 3: Cross multiply
    73,156.80x = 109,745.66 × 22,560.11
  4. Step 4: Simplify right side
    73,156.80x = 2,475,874,492.39
  5. Step 5: Solve for x
    x = 2,475,874,492.39/73,156.80
  6. Step 6: Final answer
    x = 33,843.40

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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.