Home / 159,772.23-220,446.36-97,667.03

Finding the Fourth Proportional to 159,772.23, 220,446.36 and 97,667.03

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Solution

The fourth proportional to 159,772.23, 220,446.36 and 97,667.03 is: 134,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,772.23 : 220,446.36 = 97,667.03 : x
  2. Step 2: Convert to fraction form
    159,772.23/220,446.36 = 97,667.03/x
  3. Step 3: Cross multiply
    159,772.23x = 220,446.36 × 97,667.03
  4. Step 4: Simplify right side
    159,772.23x = 21,530,341,806.63
  5. Step 5: Solve for x
    x = 21,530,341,806.63/159,772.23
  6. Step 6: Final answer
    x = 134,756.47

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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.