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Finding the Fourth Proportional to 163,066.80, 244,297.80 and 92,737.20

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Solution

The fourth proportional to 163,066.80, 244,297.80 and 92,737.20 is: 138,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,066.80 : 244,297.80 = 92,737.20 : x
  2. Step 2: Convert to fraction form
    163,066.80/244,297.80 = 92,737.20/x
  3. Step 3: Cross multiply
    163,066.80x = 244,297.80 × 92,737.20
  4. Step 4: Simplify right side
    163,066.80x = 22,655,493,938.16
  5. Step 5: Solve for x
    x = 22,655,493,938.16/163,066.80
  6. Step 6: Final answer
    x = 138,933.82

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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.