Home / 234,934.12-352,322.20-85,143.05

Finding the Fourth Proportional to 234,934.12, 352,322.20 and 85,143.05

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Solution

The fourth proportional to 234,934.12, 352,322.20 and 85,143.05 is: 127,685.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,934.12 : 352,322.20 = 85,143.05 : x
  2. Step 2: Convert to fraction form
    234,934.12/352,322.20 = 85,143.05/x
  3. Step 3: Cross multiply
    234,934.12x = 352,322.20 × 85,143.05
  4. Step 4: Simplify right side
    234,934.12x = 29,997,786,690.71
  5. Step 5: Solve for x
    x = 29,997,786,690.71/234,934.12
  6. Step 6: Final answer
    x = 127,685.95

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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.