Home / 161,053.20-222,259.14-89,434.44

Finding the Fourth Proportional to 161,053.20, 222,259.14 and 89,434.44

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Solution

The fourth proportional to 161,053.20, 222,259.14 and 89,434.44 is: 123,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,053.20 : 222,259.14 = 89,434.44 : x
  2. Step 2: Convert to fraction form
    161,053.20/222,259.14 = 89,434.44/x
  3. Step 3: Cross multiply
    161,053.20x = 222,259.14 × 89,434.44
  4. Step 4: Simplify right side
    161,053.20x = 19,877,621,720.78
  5. Step 5: Solve for x
    x = 19,877,621,720.78/161,053.20
  6. Step 6: Final answer
    x = 123,422.71

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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.