Home / 103,400.13-155,001.61-33,230.13

Finding the Fourth Proportional to 103,400.13, 155,001.61 and 33,230.13

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Solution

The fourth proportional to 103,400.13, 155,001.61 and 33,230.13 is: 49,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,400.13 : 155,001.61 = 33,230.13 : x
  2. Step 2: Convert to fraction form
    103,400.13/155,001.61 = 33,230.13/x
  3. Step 3: Cross multiply
    103,400.13x = 155,001.61 × 33,230.13
  4. Step 4: Simplify right side
    103,400.13x = 5,150,723,650.51
  5. Step 5: Solve for x
    x = 5,150,723,650.51/103,400.13
  6. Step 6: Final answer
    x = 49,813.51

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1.5x scale

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.