Home / 68,769.41-103,150.67-18,848.70

Finding the Fourth Proportional to 68,769.41, 103,150.67 and 18,848.70

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Solution

The fourth proportional to 68,769.41, 103,150.67 and 18,848.70 is: 28,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,769.41 : 103,150.67 = 18,848.70 : x
  2. Step 2: Convert to fraction form
    68,769.41/103,150.67 = 18,848.70/x
  3. Step 3: Cross multiply
    68,769.41x = 103,150.67 × 18,848.70
  4. Step 4: Simplify right side
    68,769.41x = 1,944,255,939.39
  5. Step 5: Solve for x
    x = 1,944,255,939.39/68,769.41
  6. Step 6: Final answer
    x = 28,272.11

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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.