Home / 109,399.73-164,085.01-30,507.35

Finding the Fourth Proportional to 109,399.73, 164,085.01 and 30,507.35

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Solution

The fourth proportional to 109,399.73, 164,085.01 and 30,507.35 is: 45,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,399.73 : 164,085.01 = 30,507.35 : x
  2. Step 2: Convert to fraction form
    109,399.73/164,085.01 = 30,507.35/x
  3. Step 3: Cross multiply
    109,399.73x = 164,085.01 × 30,507.35
  4. Step 4: Simplify right side
    109,399.73x = 5,005,797,933.13
  5. Step 5: Solve for x
    x = 5,005,797,933.13/109,399.73
  6. Step 6: Final answer
    x = 45,756.95

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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.