Home / 149,476.68-206,280.54-81,494.19

Finding the Fourth Proportional to 149,476.68, 206,280.54 and 81,494.19

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Solution

The fourth proportional to 149,476.68, 206,280.54 and 81,494.19 is: 112,463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,476.68 : 206,280.54 = 81,494.19 : x
  2. Step 2: Convert to fraction form
    149,476.68/206,280.54 = 81,494.19/x
  3. Step 3: Cross multiply
    149,476.68x = 206,280.54 × 81,494.19
  4. Step 4: Simplify right side
    149,476.68x = 16,810,665,520.06
  5. Step 5: Solve for x
    x = 16,810,665,520.06/149,476.68
  6. Step 6: Final answer
    x = 112,463.47

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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.