Home / 161,331.95-222,628.93-89,710.43

Finding the Fourth Proportional to 161,331.95, 222,628.93 and 89,710.43

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Solution

The fourth proportional to 161,331.95, 222,628.93 and 89,710.43 is: 123,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,331.95 : 222,628.93 = 89,710.43 : x
  2. Step 2: Convert to fraction form
    161,331.95/222,628.93 = 89,710.43/x
  3. Step 3: Cross multiply
    161,331.95x = 222,628.93 × 89,710.43
  4. Step 4: Simplify right side
    161,331.95x = 19,972,135,703.32
  5. Step 5: Solve for x
    x = 19,972,135,703.32/161,331.95
  6. Step 6: Final answer
    x = 123,795.29

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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.