Home / 169,868.56-254,769.36-161,438.80

Finding the Fourth Proportional to 169,868.56, 254,769.36 and 161,438.80

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Solution

The fourth proportional to 169,868.56, 254,769.36 and 161,438.80 is: 242,126.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,868.56 : 254,769.36 = 161,438.80 : x
  2. Step 2: Convert to fraction form
    169,868.56/254,769.36 = 161,438.80/x
  3. Step 3: Cross multiply
    169,868.56x = 254,769.36 × 161,438.80
  4. Step 4: Simplify right side
    169,868.56x = 41,129,659,755.17
  5. Step 5: Solve for x
    x = 41,129,659,755.17/169,868.56
  6. Step 6: Final answer
    x = 242,126.38

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1.5x scale

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.