Home / 103,259.13-154,892.50-28,385.13

Finding the Fourth Proportional to 103,259.13, 154,892.50 and 28,385.13

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Solution

The fourth proportional to 103,259.13, 154,892.50 and 28,385.13 is: 42,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,259.13 : 154,892.50 = 28,385.13 : x
  2. Step 2: Convert to fraction form
    103,259.13/154,892.50 = 28,385.13/x
  3. Step 3: Cross multiply
    103,259.13x = 154,892.50 × 28,385.13
  4. Step 4: Simplify right side
    103,259.13x = 4,396,644,418.08
  5. Step 5: Solve for x
    x = 4,396,644,418.08/103,259.13
  6. Step 6: Final answer
    x = 42,578.75

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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.