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Finding the Fourth Proportional to 119,797.67, 179,677.44 and 39,829.00

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Solution

The fourth proportional to 119,797.67, 179,677.44 and 39,829.00 is: 59,737.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,797.67 : 179,677.44 = 39,829.00 : x
  2. Step 2: Convert to fraction form
    119,797.67/179,677.44 = 39,829.00/x
  3. Step 3: Cross multiply
    119,797.67x = 179,677.44 × 39,829.00
  4. Step 4: Simplify right side
    119,797.67x = 7,156,372,645.46
  5. Step 5: Solve for x
    x = 7,156,372,645.46/119,797.67
  6. Step 6: Final answer
    x = 59,737.16

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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.