Home / 161,995.91-243,102.32-67,226.18

Finding the Fourth Proportional to 161,995.91, 243,102.32 and 67,226.18

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Solution

The fourth proportional to 161,995.91, 243,102.32 and 67,226.18 is: 100,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,995.91 : 243,102.32 = 67,226.18 : x
  2. Step 2: Convert to fraction form
    161,995.91/243,102.32 = 67,226.18/x
  3. Step 3: Cross multiply
    161,995.91x = 243,102.32 × 67,226.18
  4. Step 4: Simplify right side
    161,995.91x = 16,342,840,390.64
  5. Step 5: Solve for x
    x = 16,342,840,390.64/161,995.91
  6. Step 6: Final answer
    x = 100,884.28

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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.