Home / 147,142.45-220,715.70-41,961.43

Finding the Fourth Proportional to 147,142.45, 220,715.70 and 41,961.43

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Solution

The fourth proportional to 147,142.45, 220,715.70 and 41,961.43 is: 62,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,142.45 : 220,715.70 = 41,961.43 : x
  2. Step 2: Convert to fraction form
    147,142.45/220,715.70 = 41,961.43/x
  3. Step 3: Cross multiply
    147,142.45x = 220,715.70 × 41,961.43
  4. Step 4: Simplify right side
    147,142.45x = 9,261,546,395.45
  5. Step 5: Solve for x
    x = 9,261,546,395.45/147,142.45
  6. Step 6: Final answer
    x = 62,942.72

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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.