Home / 134,144.40-201,143.70-45,352.20

Finding the Fourth Proportional to 134,144.40, 201,143.70 and 45,352.20

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Solution

The fourth proportional to 134,144.40, 201,143.70 and 45,352.20 is: 68,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,144.40 : 201,143.70 = 45,352.20 : x
  2. Step 2: Convert to fraction form
    134,144.40/201,143.70 = 45,352.20/x
  3. Step 3: Cross multiply
    134,144.40x = 201,143.70 × 45,352.20
  4. Step 4: Simplify right side
    134,144.40x = 9,122,309,311.14
  5. Step 5: Solve for x
    x = 9,122,309,311.14/134,144.40
  6. Step 6: Final answer
    x = 68,003.65

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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.