Home / 423,669.25-635,503.29-108,126.15

Finding the Fourth Proportional to 423,669.25, 635,503.29 and 108,126.15

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Solution

The fourth proportional to 423,669.25, 635,503.29 and 108,126.15 is: 162,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,669.25 : 635,503.29 = 108,126.15 : x
  2. Step 2: Convert to fraction form
    423,669.25/635,503.29 = 108,126.15/x
  3. Step 3: Cross multiply
    423,669.25x = 635,503.29 × 108,126.15
  4. Step 4: Simplify right side
    423,669.25x = 68,714,524,060.03
  5. Step 5: Solve for x
    x = 68,714,524,060.03/423,669.25
  6. Step 6: Final answer
    x = 162,189.08

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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.