Home / 103,285.14-154,934.73-33,160.20

Finding the Fourth Proportional to 103,285.14, 154,934.73 and 33,160.20

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Solution

The fourth proportional to 103,285.14, 154,934.73 and 33,160.20 is: 49,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,285.14 : 154,934.73 = 33,160.20 : x
  2. Step 2: Convert to fraction form
    103,285.14/154,934.73 = 33,160.20/x
  3. Step 3: Cross multiply
    103,285.14x = 154,934.73 × 33,160.20
  4. Step 4: Simplify right side
    103,285.14x = 5,137,666,633.75
  5. Step 5: Solve for x
    x = 5,137,666,633.75/103,285.14
  6. Step 6: Final answer
    x = 49,742.55

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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.