Home / 169,872.03-254,633.09-90,965.07

Finding the Fourth Proportional to 169,872.03, 254,633.09 and 90,965.07

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Solution

The fourth proportional to 169,872.03, 254,633.09 and 90,965.07 is: 136,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,872.03 : 254,633.09 = 90,965.07 : x
  2. Step 2: Convert to fraction form
    169,872.03/254,633.09 = 90,965.07/x
  3. Step 3: Cross multiply
    169,872.03x = 254,633.09 × 90,965.07
  4. Step 4: Simplify right side
    169,872.03x = 23,162,716,401.34
  5. Step 5: Solve for x
    x = 23,162,716,401.34/169,872.03
  6. Step 6: Final answer
    x = 136,353.92

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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.