Home / 276,120.97-413,640.17-143,088.49

Finding the Fourth Proportional to 276,120.97, 413,640.17 and 143,088.49

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Solution

The fourth proportional to 276,120.97, 413,640.17 and 143,088.49 is: 214,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,120.97 : 413,640.17 = 143,088.49 : x
  2. Step 2: Convert to fraction form
    276,120.97/413,640.17 = 143,088.49/x
  3. Step 3: Cross multiply
    276,120.97x = 413,640.17 × 143,088.49
  4. Step 4: Simplify right side
    276,120.97x = 59,187,147,328.64
  5. Step 5: Solve for x
    x = 59,187,147,328.64/276,120.97
  6. Step 6: Final answer
    x = 214,352.24

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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.