Home / 181,278.74-271,824.70-81,353.27

Finding the Fourth Proportional to 181,278.74, 271,824.70 and 81,353.27

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Solution

The fourth proportional to 181,278.74, 271,824.70 and 81,353.27 is: 121,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,278.74 : 271,824.70 = 81,353.27 : x
  2. Step 2: Convert to fraction form
    181,278.74/271,824.70 = 81,353.27/x
  3. Step 3: Cross multiply
    181,278.74x = 271,824.70 × 81,353.27
  4. Step 4: Simplify right side
    181,278.74x = 22,113,826,649.26
  5. Step 5: Solve for x
    x = 22,113,826,649.26/181,278.74
  6. Step 6: Final answer
    x = 121,987.98

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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.