Home / 109,277.08-150,813.66-66,863.80

Finding the Fourth Proportional to 109,277.08, 150,813.66 and 66,863.80

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Solution

The fourth proportional to 109,277.08, 150,813.66 and 66,863.80 is: 92,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,277.08 : 150,813.66 = 66,863.80 : x
  2. Step 2: Convert to fraction form
    109,277.08/150,813.66 = 66,863.80/x
  3. Step 3: Cross multiply
    109,277.08x = 150,813.66 × 66,863.80
  4. Step 4: Simplify right side
    109,277.08x = 10,083,974,399.51
  5. Step 5: Solve for x
    x = 10,083,974,399.51/109,277.08
  6. Step 6: Final answer
    x = 92,278.95

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1.5x scale

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.