Home / 107,414.42-161,121.69-40,839.17

Finding the Fourth Proportional to 107,414.42, 161,121.69 and 40,839.17

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Solution

The fourth proportional to 107,414.42, 161,121.69 and 40,839.17 is: 61,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,414.42 : 161,121.69 = 40,839.17 : x
  2. Step 2: Convert to fraction form
    107,414.42/161,121.69 = 40,839.17/x
  3. Step 3: Cross multiply
    107,414.42x = 161,121.69 × 40,839.17
  4. Step 4: Simplify right side
    107,414.42x = 6,580,075,282.99
  5. Step 5: Solve for x
    x = 6,580,075,282.99/107,414.42
  6. Step 6: Final answer
    x = 61,258.77

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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.