Home / 99,826.32-137,760.62-54,504.70

Finding the Fourth Proportional to 99,826.32, 137,760.62 and 54,504.70

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Solution

The fourth proportional to 99,826.32, 137,760.62 and 54,504.70 is: 75,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,826.32 : 137,760.62 = 54,504.70 : x
  2. Step 2: Convert to fraction form
    99,826.32/137,760.62 = 54,504.70/x
  3. Step 3: Cross multiply
    99,826.32x = 137,760.62 × 54,504.70
  4. Step 4: Simplify right side
    99,826.32x = 7,508,600,647.99
  5. Step 5: Solve for x
    x = 7,508,600,647.99/99,826.32
  6. Step 6: Final answer
    x = 75,216.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.