Home / 185,874.13-278,816.66-45,632.75

Finding the Fourth Proportional to 185,874.13, 278,816.66 and 45,632.75

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Solution

The fourth proportional to 185,874.13, 278,816.66 and 45,632.75 is: 68,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,874.13 : 278,816.66 = 45,632.75 : x
  2. Step 2: Convert to fraction form
    185,874.13/278,816.66 = 45,632.75/x
  3. Step 3: Cross multiply
    185,874.13x = 278,816.66 × 45,632.75
  4. Step 4: Simplify right side
    185,874.13x = 12,723,170,941.62
  5. Step 5: Solve for x
    x = 12,723,170,941.62/185,874.13
  6. Step 6: Final answer
    x = 68,450.47

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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.