Home / 185,841.66-278,796.09-67,678.86

Finding the Fourth Proportional to 185,841.66, 278,796.09 and 67,678.86

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Solution

The fourth proportional to 185,841.66, 278,796.09 and 67,678.86 is: 101,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,841.66 : 278,796.09 = 67,678.86 : x
  2. Step 2: Convert to fraction form
    185,841.66/278,796.09 = 67,678.86/x
  3. Step 3: Cross multiply
    185,841.66x = 278,796.09 × 67,678.86
  4. Step 4: Simplify right side
    185,841.66x = 18,868,601,543.66
  5. Step 5: Solve for x
    x = 18,868,601,543.66/185,841.66
  6. Step 6: Final answer
    x = 101,530.53

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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.