Home / 161,284.74-222,578.64-88,693.16

Finding the Fourth Proportional to 161,284.74, 222,578.64 and 88,693.16

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Solution

The fourth proportional to 161,284.74, 222,578.64 and 88,693.16 is: 122,399.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,284.74 : 222,578.64 = 88,693.16 : x
  2. Step 2: Convert to fraction form
    161,284.74/222,578.64 = 88,693.16/x
  3. Step 3: Cross multiply
    161,284.74x = 222,578.64 × 88,693.16
  4. Step 4: Simplify right side
    161,284.74x = 19,741,201,373.74
  5. Step 5: Solve for x
    x = 19,741,201,373.74/161,284.74
  6. Step 6: Final answer
    x = 122,399.69

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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.