Home / 165,213.13-227,994.72-89,761.63

Finding the Fourth Proportional to 165,213.13, 227,994.72 and 89,761.63

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Solution

The fourth proportional to 165,213.13, 227,994.72 and 89,761.63 is: 123,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,213.13 : 227,994.72 = 89,761.63 : x
  2. Step 2: Convert to fraction form
    165,213.13/227,994.72 = 89,761.63/x
  3. Step 3: Cross multiply
    165,213.13x = 227,994.72 × 89,761.63
  4. Step 4: Simplify right side
    165,213.13x = 20,465,176,558.62
  5. Step 5: Solve for x
    x = 20,465,176,558.62/165,213.13
  6. Step 6: Final answer
    x = 123,871.37

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1.5x scale

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.