Home / 161,258.32-222,537.32-89,645.04

Finding the Fourth Proportional to 161,258.32, 222,537.32 and 89,645.04

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Solution

The fourth proportional to 161,258.32, 222,537.32 and 89,645.04 is: 123,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,258.32 : 222,537.32 = 89,645.04 : x
  2. Step 2: Convert to fraction form
    161,258.32/222,537.32 = 89,645.04/x
  3. Step 3: Cross multiply
    161,258.32x = 222,537.32 × 89,645.04
  4. Step 4: Simplify right side
    161,258.32x = 19,949,366,952.89
  5. Step 5: Solve for x
    x = 19,949,366,952.89/161,258.32
  6. Step 6: Final answer
    x = 123,710.62

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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.