Home / 185,847.06-278,781.18-52,716.90

Finding the Fourth Proportional to 185,847.06, 278,781.18 and 52,716.90

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Solution

The fourth proportional to 185,847.06, 278,781.18 and 52,716.90 is: 79,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,847.06 : 278,781.18 = 52,716.90 : x
  2. Step 2: Convert to fraction form
    185,847.06/278,781.18 = 52,716.90/x
  3. Step 3: Cross multiply
    185,847.06x = 278,781.18 × 52,716.90
  4. Step 4: Simplify right side
    185,847.06x = 14,696,479,587.94
  5. Step 5: Solve for x
    x = 14,696,479,587.94/185,847.06
  6. Step 6: Final answer
    x = 79,078.35

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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.