Home / 161,579.48-222,974.52-89,955.86

Finding the Fourth Proportional to 161,579.48, 222,974.52 and 89,955.86

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Solution

The fourth proportional to 161,579.48, 222,974.52 and 89,955.86 is: 124,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,579.48 : 222,974.52 = 89,955.86 : x
  2. Step 2: Convert to fraction form
    161,579.48/222,974.52 = 89,955.86/x
  3. Step 3: Cross multiply
    161,579.48x = 222,974.52 × 89,955.86
  4. Step 4: Simplify right side
    161,579.48x = 20,057,864,704.69
  5. Step 5: Solve for x
    x = 20,057,864,704.69/161,579.48
  6. Step 6: Final answer
    x = 124,136.21

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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.