Home / 486,168.16-729,252.22-131,182.18

Finding the Fourth Proportional to 486,168.16, 729,252.22 and 131,182.18

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Solution

The fourth proportional to 486,168.16, 729,252.22 and 131,182.18 is: 196,773.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,168.16 : 729,252.22 = 131,182.18 : x
  2. Step 2: Convert to fraction form
    486,168.16/729,252.22 = 131,182.18/x
  3. Step 3: Cross multiply
    486,168.16x = 729,252.22 × 131,182.18
  4. Step 4: Simplify right side
    486,168.16x = 95,664,895,989.44
  5. Step 5: Solve for x
    x = 95,664,895,989.44/486,168.16
  6. Step 6: Final answer
    x = 196,773.26

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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.