Home / 149,947.22-206,927.14-81,964.46

Finding the Fourth Proportional to 149,947.22, 206,927.14 and 81,964.46

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Solution

The fourth proportional to 149,947.22, 206,927.14 and 81,964.46 is: 113,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,947.22 : 206,927.14 = 81,964.46 : x
  2. Step 2: Convert to fraction form
    149,947.22/206,927.14 = 81,964.46/x
  3. Step 3: Cross multiply
    149,947.22x = 206,927.14 × 81,964.46
  4. Step 4: Simplify right side
    149,947.22x = 16,960,671,755.53
  5. Step 5: Solve for x
    x = 16,960,671,755.53/149,947.22
  6. Step 6: Final answer
    x = 113,110.95

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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.