Home / 161,341.56-222,634.31-89,710.02

Finding the Fourth Proportional to 161,341.56, 222,634.31 and 89,710.02

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Solution

The fourth proportional to 161,341.56, 222,634.31 and 89,710.02 is: 123,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,341.56 : 222,634.31 = 89,710.02 : x
  2. Step 2: Convert to fraction form
    161,341.56/222,634.31 = 89,710.02/x
  3. Step 3: Cross multiply
    161,341.56x = 222,634.31 × 89,710.02
  4. Step 4: Simplify right side
    161,341.56x = 19,972,527,954.24
  5. Step 5: Solve for x
    x = 19,972,527,954.24/161,341.56
  6. Step 6: Final answer
    x = 123,790.35

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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.