Home / 149,948.02-206,928.24-81,965.27

Finding the Fourth Proportional to 149,948.02, 206,928.24 and 81,965.27

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Solution

The fourth proportional to 149,948.02, 206,928.24 and 81,965.27 is: 113,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,948.02 : 206,928.24 = 81,965.27 : x
  2. Step 2: Convert to fraction form
    149,948.02/206,928.24 = 81,965.27/x
  3. Step 3: Cross multiply
    149,948.02x = 206,928.24 × 81,965.27
  4. Step 4: Simplify right side
    149,948.02x = 16,960,928,027.58
  5. Step 5: Solve for x
    x = 16,960,928,027.58/149,948.02
  6. Step 6: Final answer
    x = 113,112.05

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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.