Home / 161,343.56-222,637.06-89,712.02

Finding the Fourth Proportional to 161,343.56, 222,637.06 and 89,712.02

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Solution

The fourth proportional to 161,343.56, 222,637.06 and 89,712.02 is: 123,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,343.56 : 222,637.06 = 89,712.02 : x
  2. Step 2: Convert to fraction form
    161,343.56/222,637.06 = 89,712.02/x
  3. Step 3: Cross multiply
    161,343.56x = 222,637.06 × 89,712.02
  4. Step 4: Simplify right side
    161,343.56x = 19,973,220,379.46
  5. Step 5: Solve for x
    x = 19,973,220,379.46/161,343.56
  6. Step 6: Final answer
    x = 123,793.11

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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.