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Finding the Fourth Proportional to 160,922.80, 241,441.80 and 67,457.20

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Solution

The fourth proportional to 160,922.80, 241,441.80 and 67,457.20 is: 101,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,922.80 : 241,441.80 = 67,457.20 : x
  2. Step 2: Convert to fraction form
    160,922.80/241,441.80 = 67,457.20/x
  3. Step 3: Cross multiply
    160,922.80x = 241,441.80 × 67,457.20
  4. Step 4: Simplify right side
    160,922.80x = 16,286,987,790.96
  5. Step 5: Solve for x
    x = 16,286,987,790.96/160,922.80
  6. Step 6: Final answer
    x = 101,209.95

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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.