Home / 136,891.42-205,336.28-55,838.13

Finding the Fourth Proportional to 136,891.42, 205,336.28 and 55,838.13

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Solution

The fourth proportional to 136,891.42, 205,336.28 and 55,838.13 is: 83,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,891.42 : 205,336.28 = 55,838.13 : x
  2. Step 2: Convert to fraction form
    136,891.42/205,336.28 = 55,838.13/x
  3. Step 3: Cross multiply
    136,891.42x = 205,336.28 × 55,838.13
  4. Step 4: Simplify right side
    136,891.42x = 11,465,593,265.94
  5. Step 5: Solve for x
    x = 11,465,593,265.94/136,891.42
  6. Step 6: Final answer
    x = 83,756.85

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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.