Home / 423,751.11-635,627.70-103,904.39

Finding the Fourth Proportional to 423,751.11, 635,627.70 and 103,904.39

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Solution

The fourth proportional to 423,751.11, 635,627.70 and 103,904.39 is: 155,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,751.11 : 635,627.70 = 103,904.39 : x
  2. Step 2: Convert to fraction form
    423,751.11/635,627.70 = 103,904.39/x
  3. Step 3: Cross multiply
    423,751.11x = 635,627.70 × 103,904.39
  4. Step 4: Simplify right side
    423,751.11x = 66,044,505,257.46
  5. Step 5: Solve for x
    x = 66,044,505,257.46/423,751.11
  6. Step 6: Final answer
    x = 155,856.83

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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.