Home / 160,826.97-221,942.30-89,208.21

Finding the Fourth Proportional to 160,826.97, 221,942.30 and 89,208.21

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Solution

The fourth proportional to 160,826.97, 221,942.30 and 89,208.21 is: 123,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,826.97 : 221,942.30 = 89,208.21 : x
  2. Step 2: Convert to fraction form
    160,826.97/221,942.30 = 89,208.21/x
  3. Step 3: Cross multiply
    160,826.97x = 221,942.30 × 89,208.21
  4. Step 4: Simplify right side
    160,826.97x = 19,799,074,860.24
  5. Step 5: Solve for x
    x = 19,799,074,860.24/160,826.97
  6. Step 6: Final answer
    x = 123,107.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.