Home / 161,296.20-222,576.14-89,671.86

Finding the Fourth Proportional to 161,296.20, 222,576.14 and 89,671.86

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Solution

The fourth proportional to 161,296.20, 222,576.14 and 89,671.86 is: 123,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,296.20 : 222,576.14 = 89,671.86 : x
  2. Step 2: Convert to fraction form
    161,296.20/222,576.14 = 89,671.86/x
  3. Step 3: Cross multiply
    161,296.20x = 222,576.14 × 89,671.86
  4. Step 4: Simplify right side
    161,296.20x = 19,958,816,465.42
  5. Step 5: Solve for x
    x = 19,958,816,465.42/161,296.20
  6. Step 6: Final answer
    x = 123,740.15

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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.