Home / 160,801.60-221,919.49-89,204.70

Finding the Fourth Proportional to 160,801.60, 221,919.49 and 89,204.70

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Solution

The fourth proportional to 160,801.60, 221,919.49 and 89,204.70 is: 123,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,801.60 : 221,919.49 = 89,204.70 : x
  2. Step 2: Convert to fraction form
    160,801.60/221,919.49 = 89,204.70/x
  3. Step 3: Cross multiply
    160,801.60x = 221,919.49 × 89,204.70
  4. Step 4: Simplify right side
    160,801.60x = 19,796,261,529.60
  5. Step 5: Solve for x
    x = 19,796,261,529.60/160,801.60
  6. Step 6: Final answer
    x = 123,109.85

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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.