Home / 143,715.15-215,573.13-50,220.90

Finding the Fourth Proportional to 143,715.15, 215,573.13 and 50,220.90

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Solution

The fourth proportional to 143,715.15, 215,573.13 and 50,220.90 is: 75,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,715.15 : 215,573.13 = 50,220.90 : x
  2. Step 2: Convert to fraction form
    143,715.15/215,573.13 = 50,220.90/x
  3. Step 3: Cross multiply
    143,715.15x = 215,573.13 × 50,220.90
  4. Step 4: Simplify right side
    143,715.15x = 10,826,276,604.42
  5. Step 5: Solve for x
    x = 10,826,276,604.42/143,715.15
  6. Step 6: Final answer
    x = 75,331.49

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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.