Home / 103,612.14-155,418.18-41,326.38

Finding the Fourth Proportional to 103,612.14, 155,418.18 and 41,326.38

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Solution

The fourth proportional to 103,612.14, 155,418.18 and 41,326.38 is: 61,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612.14 : 155,418.18 = 41,326.38 : x
  2. Step 2: Convert to fraction form
    103,612.14/155,418.18 = 41,326.38/x
  3. Step 3: Cross multiply
    103,612.14x = 155,418.18 × 41,326.38
  4. Step 4: Simplify right side
    103,612.14x = 6,422,870,765.59
  5. Step 5: Solve for x
    x = 6,422,870,765.59/103,612.14
  6. Step 6: Final answer
    x = 61,989.56

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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.