Home / 143,253.43-214,777.22-67,309.15

Finding the Fourth Proportional to 143,253.43, 214,777.22 and 67,309.15

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Solution

The fourth proportional to 143,253.43, 214,777.22 and 67,309.15 is: 100,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,253.43 : 214,777.22 = 67,309.15 : x
  2. Step 2: Convert to fraction form
    143,253.43/214,777.22 = 67,309.15/x
  3. Step 3: Cross multiply
    143,253.43x = 214,777.22 × 67,309.15
  4. Step 4: Simplify right side
    143,253.43x = 14,456,472,117.56
  5. Step 5: Solve for x
    x = 14,456,472,117.56/143,253.43
  6. Step 6: Final answer
    x = 100,915.36

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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.