Home / 103,470.96-155,235.06-41,185.20

Finding the Fourth Proportional to 103,470.96, 155,235.06 and 41,185.20

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Solution

The fourth proportional to 103,470.96, 155,235.06 and 41,185.20 is: 61,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,470.96 : 155,235.06 = 41,185.20 : x
  2. Step 2: Convert to fraction form
    103,470.96/155,235.06 = 41,185.20/x
  3. Step 3: Cross multiply
    103,470.96x = 155,235.06 × 41,185.20
  4. Step 4: Simplify right side
    103,470.96x = 6,393,386,993.11
  5. Step 5: Solve for x
    x = 6,393,386,993.11/103,470.96
  6. Step 6: Final answer
    x = 61,789.19

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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.