Home / 103,217.97-154,825.51-28,338.02

Finding the Fourth Proportional to 103,217.97, 154,825.51 and 28,338.02

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Solution

The fourth proportional to 103,217.97, 154,825.51 and 28,338.02 is: 42,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,217.97 : 154,825.51 = 28,338.02 : x
  2. Step 2: Convert to fraction form
    103,217.97/154,825.51 = 28,338.02/x
  3. Step 3: Cross multiply
    103,217.97x = 154,825.51 × 28,338.02
  4. Step 4: Simplify right side
    103,217.97x = 4,387,448,398.89
  5. Step 5: Solve for x
    x = 4,387,448,398.89/103,217.97
  6. Step 6: Final answer
    x = 42,506.63

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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.