Home / 112,797.88-169,197.96-45,361.12

Finding the Fourth Proportional to 112,797.88, 169,197.96 and 45,361.12

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Solution

The fourth proportional to 112,797.88, 169,197.96 and 45,361.12 is: 68,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,797.88 : 169,197.96 = 45,361.12 : x
  2. Step 2: Convert to fraction form
    112,797.88/169,197.96 = 45,361.12/x
  3. Step 3: Cross multiply
    112,797.88x = 169,197.96 × 45,361.12
  4. Step 4: Simplify right side
    112,797.88x = 7,675,008,967.32
  5. Step 5: Solve for x
    x = 7,675,008,967.32/112,797.88
  6. Step 6: Final answer
    x = 68,042.14

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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.