Home / 45,426.94-68,146.92-12,148.12

Finding the Fourth Proportional to 45,426.94, 68,146.92 and 12,148.12

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Solution

The fourth proportional to 45,426.94, 68,146.92 and 12,148.12 is: 18,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,426.94 : 68,146.92 = 12,148.12 : x
  2. Step 2: Convert to fraction form
    45,426.94/68,146.92 = 12,148.12/x
  3. Step 3: Cross multiply
    45,426.94x = 68,146.92 × 12,148.12
  4. Step 4: Simplify right side
    45,426.94x = 827,856,961.79
  5. Step 5: Solve for x
    x = 827,856,961.79/45,426.94
  6. Step 6: Final answer
    x = 18,223.92

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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.