Home / 149,462.22-206,251.47-81,477.57

Finding the Fourth Proportional to 149,462.22, 206,251.47 and 81,477.57

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Solution

The fourth proportional to 149,462.22, 206,251.47 and 81,477.57 is: 112,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,462.22 : 206,251.47 = 81,477.57 : x
  2. Step 2: Convert to fraction form
    149,462.22/206,251.47 = 81,477.57/x
  3. Step 3: Cross multiply
    149,462.22x = 206,251.47 × 81,477.57
  4. Step 4: Simplify right side
    149,462.22x = 16,804,868,584.53
  5. Step 5: Solve for x
    x = 16,804,868,584.53/149,462.22
  6. Step 6: Final answer
    x = 112,435.56

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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.