Home / 148,151.36-204,449.44-81,087.04

Finding the Fourth Proportional to 148,151.36, 204,449.44 and 81,087.04

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Solution

The fourth proportional to 148,151.36, 204,449.44 and 81,087.04 is: 111,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,151.36 : 204,449.44 = 81,087.04 : x
  2. Step 2: Convert to fraction form
    148,151.36/204,449.44 = 81,087.04/x
  3. Step 3: Cross multiply
    148,151.36x = 204,449.44 × 81,087.04
  4. Step 4: Simplify right side
    148,151.36x = 16,578,199,919.26
  5. Step 5: Solve for x
    x = 16,578,199,919.26/148,151.36
  6. Step 6: Final answer
    x = 111,900.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.