Home / 45,453.18-68,178.75-12,173.25

Finding the Fourth Proportional to 45,453.18, 68,178.75 and 12,173.25

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Solution

The fourth proportional to 45,453.18, 68,178.75 and 12,173.25 is: 18,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,453.18 : 68,178.75 = 12,173.25 : x
  2. Step 2: Convert to fraction form
    45,453.18/68,178.75 = 12,173.25/x
  3. Step 3: Cross multiply
    45,453.18x = 68,178.75 × 12,173.25
  4. Step 4: Simplify right side
    45,453.18x = 829,956,968.44
  5. Step 5: Solve for x
    x = 829,956,968.44/45,453.18
  6. Step 6: Final answer
    x = 18,259.60

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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.