Home / 161,292.07-222,588.73-88,700.48

Finding the Fourth Proportional to 161,292.07, 222,588.73 and 88,700.48

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Solution

The fourth proportional to 161,292.07, 222,588.73 and 88,700.48 is: 122,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,292.07 : 222,588.73 = 88,700.48 : x
  2. Step 2: Convert to fraction form
    161,292.07/222,588.73 = 88,700.48/x
  3. Step 3: Cross multiply
    161,292.07x = 222,588.73 × 88,700.48
  4. Step 4: Simplify right side
    161,292.07x = 19,743,725,637.14
  5. Step 5: Solve for x
    x = 19,743,725,637.14/161,292.07
  6. Step 6: Final answer
    x = 122,409.78

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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.