Home / 103,485.15-155,227.73-41,155.65

Finding the Fourth Proportional to 103,485.15, 155,227.73 and 41,155.65

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Solution

The fourth proportional to 103,485.15, 155,227.73 and 41,155.65 is: 61,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,485.15 : 155,227.73 = 41,155.65 : x
  2. Step 2: Convert to fraction form
    103,485.15/155,227.73 = 41,155.65/x
  3. Step 3: Cross multiply
    103,485.15x = 155,227.73 × 41,155.65
  4. Step 4: Simplify right side
    103,485.15x = 6,388,497,920.40
  5. Step 5: Solve for x
    x = 6,388,497,920.40/103,485.15
  6. Step 6: Final answer
    x = 61,733.48

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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.