Home / 74,151.53-111,238.14-21,554.18

Finding the Fourth Proportional to 74,151.53, 111,238.14 and 21,554.18

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Solution

The fourth proportional to 74,151.53, 111,238.14 and 21,554.18 is: 32,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,151.53 : 111,238.14 = 21,554.18 : x
  2. Step 2: Convert to fraction form
    74,151.53/111,238.14 = 21,554.18/x
  3. Step 3: Cross multiply
    74,151.53x = 111,238.14 × 21,554.18
  4. Step 4: Simplify right side
    74,151.53x = 2,397,646,892.43
  5. Step 5: Solve for x
    x = 2,397,646,892.43/74,151.53
  6. Step 6: Final answer
    x = 32,334.42

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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.