Home / 161,029.10-222,213.42-89,404.85

Finding the Fourth Proportional to 161,029.10, 222,213.42 and 89,404.85

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Solution

The fourth proportional to 161,029.10, 222,213.42 and 89,404.85 is: 123,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,029.10 : 222,213.42 = 89,404.85 : x
  2. Step 2: Convert to fraction form
    161,029.10/222,213.42 = 89,404.85/x
  3. Step 3: Cross multiply
    161,029.10x = 222,213.42 × 89,404.85
  4. Step 4: Simplify right side
    161,029.10x = 19,866,956,372.02
  5. Step 5: Solve for x
    x = 19,866,956,372.02/161,029.10
  6. Step 6: Final answer
    x = 123,374.95

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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.