Home / 136,991.46-205,528.73-97,087.61

Finding the Fourth Proportional to 136,991.46, 205,528.73 and 97,087.61

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Solution

The fourth proportional to 136,991.46, 205,528.73 and 97,087.61 is: 145,660.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,991.46 : 205,528.73 = 97,087.61 : x
  2. Step 2: Convert to fraction form
    136,991.46/205,528.73 = 97,087.61/x
  3. Step 3: Cross multiply
    136,991.46x = 205,528.73 × 97,087.61
  4. Step 4: Simplify right side
    136,991.46x = 19,954,291,668.95
  5. Step 5: Solve for x
    x = 19,954,291,668.95/136,991.46
  6. Step 6: Final answer
    x = 145,660.84

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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.