Home / 161,725.70-242,588.55-90,575.30

Finding the Fourth Proportional to 161,725.70, 242,588.55 and 90,575.30

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Solution

The fourth proportional to 161,725.70, 242,588.55 and 90,575.30 is: 135,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,725.70 : 242,588.55 = 90,575.30 : x
  2. Step 2: Convert to fraction form
    161,725.70/242,588.55 = 90,575.30/x
  3. Step 3: Cross multiply
    161,725.70x = 242,588.55 × 90,575.30
  4. Step 4: Simplify right side
    161,725.70x = 21,972,530,692.82
  5. Step 5: Solve for x
    x = 21,972,530,692.82/161,725.70
  6. Step 6: Final answer
    x = 135,862.95

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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.