Home / 169,631.56-254,059.80-80,947.34

Finding the Fourth Proportional to 169,631.56, 254,059.80 and 80,947.34

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Solution

The fourth proportional to 169,631.56, 254,059.80 and 80,947.34 is: 121,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,631.56 : 254,059.80 = 80,947.34 : x
  2. Step 2: Convert to fraction form
    169,631.56/254,059.80 = 80,947.34/x
  3. Step 3: Cross multiply
    169,631.56x = 254,059.80 × 80,947.34
  4. Step 4: Simplify right side
    169,631.56x = 20,565,465,010.93
  5. Step 5: Solve for x
    x = 20,565,465,010.93/169,631.56
  6. Step 6: Final answer
    x = 121,236.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.