Home / 208,432.24-312,677.52-68,162.92

Finding the Fourth Proportional to 208,432.24, 312,677.52 and 68,162.92

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Solution

The fourth proportional to 208,432.24, 312,677.52 and 68,162.92 is: 102,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,432.24 : 312,677.52 = 68,162.92 : x
  2. Step 2: Convert to fraction form
    208,432.24/312,677.52 = 68,162.92/x
  3. Step 3: Cross multiply
    208,432.24x = 312,677.52 × 68,162.92
  4. Step 4: Simplify right side
    208,432.24x = 21,313,012,781.56
  5. Step 5: Solve for x
    x = 21,313,012,781.56/208,432.24
  6. Step 6: Final answer
    x = 102,253.92

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1.5x scale

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.