Home / 103,494.78-155,217.33-28,613.25

Finding the Fourth Proportional to 103,494.78, 155,217.33 and 28,613.25

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Solution

The fourth proportional to 103,494.78, 155,217.33 and 28,613.25 is: 42,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,494.78 : 155,217.33 = 28,613.25 : x
  2. Step 2: Convert to fraction form
    103,494.78/155,217.33 = 28,613.25/x
  3. Step 3: Cross multiply
    103,494.78x = 155,217.33 × 28,613.25
  4. Step 4: Simplify right side
    103,494.78x = 4,441,272,267.62
  5. Step 5: Solve for x
    x = 4,441,272,267.62/103,494.78
  6. Step 6: Final answer
    x = 42,913.01

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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.