Home / 161,100.16-222,325.64-89,480.48

Finding the Fourth Proportional to 161,100.16, 222,325.64 and 89,480.48

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Solution

The fourth proportional to 161,100.16, 222,325.64 and 89,480.48 is: 123,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,100.16 : 222,325.64 = 89,480.48 : x
  2. Step 2: Convert to fraction form
    161,100.16/222,325.64 = 89,480.48/x
  3. Step 3: Cross multiply
    161,100.16x = 222,325.64 × 89,480.48
  4. Step 4: Simplify right side
    161,100.16x = 19,893,804,983.51
  5. Step 5: Solve for x
    x = 19,893,804,983.51/161,100.16
  6. Step 6: Final answer
    x = 123,487.18

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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.