Home / 143,640.53-215,559.21-50,146.28

Finding the Fourth Proportional to 143,640.53, 215,559.21 and 50,146.28

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Solution

The fourth proportional to 143,640.53, 215,559.21 and 50,146.28 is: 75,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,640.53 : 215,559.21 = 50,146.28 : x
  2. Step 2: Convert to fraction form
    143,640.53/215,559.21 = 50,146.28/x
  3. Step 3: Cross multiply
    143,640.53x = 215,559.21 × 50,146.28
  4. Step 4: Simplify right side
    143,640.53x = 10,809,492,501.24
  5. Step 5: Solve for x
    x = 10,809,492,501.24/143,640.53
  6. Step 6: Final answer
    x = 75,253.78

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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.