Home / 204,483.69-306,677.85-78,077.52

Finding the Fourth Proportional to 204,483.69, 306,677.85 and 78,077.52

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Solution

The fourth proportional to 204,483.69, 306,677.85 and 78,077.52 is: 117,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,483.69 : 306,677.85 = 78,077.52 : x
  2. Step 2: Convert to fraction form
    204,483.69/306,677.85 = 78,077.52/x
  3. Step 3: Cross multiply
    204,483.69x = 306,677.85 × 78,077.52
  4. Step 4: Simplify right side
    204,483.69x = 23,944,645,674.14
  5. Step 5: Solve for x
    x = 23,944,645,674.14/204,483.69
  6. Step 6: Final answer
    x = 117,098.07

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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.