Home / 123,118.13-184,701.50-38,891.30

Finding the Fourth Proportional to 123,118.13, 184,701.50 and 38,891.30

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Solution

The fourth proportional to 123,118.13, 184,701.50 and 38,891.30 is: 58,344.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,118.13 : 184,701.50 = 38,891.30 : x
  2. Step 2: Convert to fraction form
    123,118.13/184,701.50 = 38,891.30/x
  3. Step 3: Cross multiply
    123,118.13x = 184,701.50 × 38,891.30
  4. Step 4: Simplify right side
    123,118.13x = 7,183,280,328.99
  5. Step 5: Solve for x
    x = 7,183,280,328.99/123,118.13
  6. Step 6: Final answer
    x = 58,344.62

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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.