Home / 103,345.68-155,017.82-33,225.14

Finding the Fourth Proportional to 103,345.68, 155,017.82 and 33,225.14

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Solution

The fourth proportional to 103,345.68, 155,017.82 and 33,225.14 is: 49,837.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,345.68 : 155,017.82 = 33,225.14 : x
  2. Step 2: Convert to fraction form
    103,345.68/155,017.82 = 33,225.14/x
  3. Step 3: Cross multiply
    103,345.68x = 155,017.82 × 33,225.14
  4. Step 4: Simplify right side
    103,345.68x = 5,150,488,771.99
  5. Step 5: Solve for x
    x = 5,150,488,771.99/103,345.68
  6. Step 6: Final answer
    x = 49,837.48

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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.