Home / 239,194.62-358,800.44-81,402.57

Finding the Fourth Proportional to 239,194.62, 358,800.44 and 81,402.57

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Solution

The fourth proportional to 239,194.62, 358,800.44 and 81,402.57 is: 122,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,194.62 : 358,800.44 = 81,402.57 : x
  2. Step 2: Convert to fraction form
    239,194.62/358,800.44 = 81,402.57/x
  3. Step 3: Cross multiply
    239,194.62x = 358,800.44 × 81,402.57
  4. Step 4: Simplify right side
    239,194.62x = 29,207,277,526.12
  5. Step 5: Solve for x
    x = 29,207,277,526.12/239,194.62
  6. Step 6: Final answer
    x = 122,106.75

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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.