Home / 109,218.14-163,849.08-34,357.13

Finding the Fourth Proportional to 109,218.14, 163,849.08 and 34,357.13

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Solution

The fourth proportional to 109,218.14, 163,849.08 and 34,357.13 is: 51,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,218.14 : 163,849.08 = 34,357.13 : x
  2. Step 2: Convert to fraction form
    109,218.14/163,849.08 = 34,357.13/x
  3. Step 3: Cross multiply
    109,218.14x = 163,849.08 × 34,357.13
  4. Step 4: Simplify right side
    109,218.14x = 5,629,383,322.70
  5. Step 5: Solve for x
    x = 5,629,383,322.70/109,218.14
  6. Step 6: Final answer
    x = 51,542.57

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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.