Home / 81,552.14-122,298.86-28,229.63

Finding the Fourth Proportional to 81,552.14, 122,298.86 and 28,229.63

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Solution

The fourth proportional to 81,552.14, 122,298.86 and 28,229.63 is: 42,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,552.14 : 122,298.86 = 28,229.63 : x
  2. Step 2: Convert to fraction form
    81,552.14/122,298.86 = 28,229.63/x
  3. Step 3: Cross multiply
    81,552.14x = 122,298.86 × 28,229.63
  4. Step 4: Simplify right side
    81,552.14x = 3,452,451,226.19
  5. Step 5: Solve for x
    x = 3,452,451,226.19/81,552.14
  6. Step 6: Final answer
    x = 42,334.28

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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.