Home / 45,454.18-68,180.25-12,174.25

Finding the Fourth Proportional to 45,454.18, 68,180.25 and 12,174.25

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Solution

The fourth proportional to 45,454.18, 68,180.25 and 12,174.25 is: 18,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,454.18 : 68,180.25 = 12,174.25 : x
  2. Step 2: Convert to fraction form
    45,454.18/68,180.25 = 12,174.25/x
  3. Step 3: Cross multiply
    45,454.18x = 68,180.25 × 12,174.25
  4. Step 4: Simplify right side
    45,454.18x = 830,043,408.56
  5. Step 5: Solve for x
    x = 830,043,408.56/45,454.18
  6. Step 6: Final answer
    x = 18,261.10

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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.