Home / 160,692.05-221,757.24-88,101.78

Finding the Fourth Proportional to 160,692.05, 221,757.24 and 88,101.78

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Solution

The fourth proportional to 160,692.05, 221,757.24 and 88,101.78 is: 121,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,692.05 : 221,757.24 = 88,101.78 : x
  2. Step 2: Convert to fraction form
    160,692.05/221,757.24 = 88,101.78/x
  3. Step 3: Cross multiply
    160,692.05x = 221,757.24 × 88,101.78
  4. Step 4: Simplify right side
    160,692.05x = 19,537,206,022.59
  5. Step 5: Solve for x
    x = 19,537,206,022.59/160,692.05
  6. Step 6: Final answer
    x = 121,581.66

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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.