Home / 109,680.21-164,449.04-43,126.83

Finding the Fourth Proportional to 109,680.21, 164,449.04 and 43,126.83

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Solution

The fourth proportional to 109,680.21, 164,449.04 and 43,126.83 is: 64,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,680.21 : 164,449.04 = 43,126.83 : x
  2. Step 2: Convert to fraction form
    109,680.21/164,449.04 = 43,126.83/x
  3. Step 3: Cross multiply
    109,680.21x = 164,449.04 × 43,126.83
  4. Step 4: Simplify right side
    109,680.21x = 7,092,165,576.11
  5. Step 5: Solve for x
    x = 7,092,165,576.11/109,680.21
  6. Step 6: Final answer
    x = 64,662.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.