Home / 109,066.73-163,600.10-30,180.96

Finding the Fourth Proportional to 109,066.73, 163,600.10 and 30,180.96

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Solution

The fourth proportional to 109,066.73, 163,600.10 and 30,180.96 is: 45,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,066.73 : 163,600.10 = 30,180.96 : x
  2. Step 2: Convert to fraction form
    109,066.73/163,600.10 = 30,180.96/x
  3. Step 3: Cross multiply
    109,066.73x = 163,600.10 × 30,180.96
  4. Step 4: Simplify right side
    109,066.73x = 4,937,608,149.55
  5. Step 5: Solve for x
    x = 4,937,608,149.55/109,066.73
  6. Step 6: Final answer
    x = 45,271.44

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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.