Home / 129,900.13-194,855.87-41,160.17

Finding the Fourth Proportional to 129,900.13, 194,855.87 and 41,160.17

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Solution

The fourth proportional to 129,900.13, 194,855.87 and 41,160.17 is: 61,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,900.13 : 194,855.87 = 41,160.17 : x
  2. Step 2: Convert to fraction form
    129,900.13/194,855.87 = 41,160.17/x
  3. Step 3: Cross multiply
    129,900.13x = 194,855.87 × 41,160.17
  4. Step 4: Simplify right side
    129,900.13x = 8,020,300,528.90
  5. Step 5: Solve for x
    x = 8,020,300,528.90/129,900.13
  6. Step 6: Final answer
    x = 61,742.05

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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.