Home / 109,979.80-164,860.35-50,712.10

Finding the Fourth Proportional to 109,979.80, 164,860.35 and 50,712.10

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Solution

The fourth proportional to 109,979.80, 164,860.35 and 50,712.10 is: 76,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,979.80 : 164,860.35 = 50,712.10 : x
  2. Step 2: Convert to fraction form
    109,979.80/164,860.35 = 50,712.10/x
  3. Step 3: Cross multiply
    109,979.80x = 164,860.35 × 50,712.10
  4. Step 4: Simplify right side
    109,979.80x = 8,360,414,555.24
  5. Step 5: Solve for x
    x = 8,360,414,555.24/109,979.80
  6. Step 6: Final answer
    x = 76,017.73

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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.