Home / 185,736.83-278,511.68-90,974.12

Finding the Fourth Proportional to 185,736.83, 278,511.68 and 90,974.12

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Solution

The fourth proportional to 185,736.83, 278,511.68 and 90,974.12 is: 136,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,736.83 : 278,511.68 = 90,974.12 : x
  2. Step 2: Convert to fraction form
    185,736.83/278,511.68 = 90,974.12/x
  3. Step 3: Cross multiply
    185,736.83x = 278,511.68 × 90,974.12
  4. Step 4: Simplify right side
    185,736.83x = 25,337,353,832.60
  5. Step 5: Solve for x
    x = 25,337,353,832.60/185,736.83
  6. Step 6: Final answer
    x = 136,415.35

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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.