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Finding the Fourth Proportional to 185,504.77, 278,377.44 and 67,166.20

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Solution

The fourth proportional to 185,504.77, 278,377.44 and 67,166.20 is: 100,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,504.77 : 278,377.44 = 67,166.20 : x
  2. Step 2: Convert to fraction form
    185,504.77/278,377.44 = 67,166.20/x
  3. Step 3: Cross multiply
    185,504.77x = 278,377.44 × 67,166.20
  4. Step 4: Simplify right side
    185,504.77x = 18,697,554,810.53
  5. Step 5: Solve for x
    x = 18,697,554,810.53/185,504.77
  6. Step 6: Final answer
    x = 100,792.85

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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.