Home / 169,427.28-254,156.64-120,943.56

Finding the Fourth Proportional to 169,427.28, 254,156.64 and 120,943.56

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Solution

The fourth proportional to 169,427.28, 254,156.64 and 120,943.56 is: 181,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,427.28 : 254,156.64 = 120,943.56 : x
  2. Step 2: Convert to fraction form
    169,427.28/254,156.64 = 120,943.56/x
  3. Step 3: Cross multiply
    169,427.28x = 254,156.64 × 120,943.56
  4. Step 4: Simplify right side
    169,427.28x = 30,738,608,839.24
  5. Step 5: Solve for x
    x = 30,738,608,839.24/169,427.28
  6. Step 6: Final answer
    x = 181,426.56

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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.