Home / 112,924.97-155,835.39-61,936.66

Finding the Fourth Proportional to 112,924.97, 155,835.39 and 61,936.66

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Solution

The fourth proportional to 112,924.97, 155,835.39 and 61,936.66 is: 85,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,924.97 : 155,835.39 = 61,936.66 : x
  2. Step 2: Convert to fraction form
    112,924.97/155,835.39 = 61,936.66/x
  3. Step 3: Cross multiply
    112,924.97x = 155,835.39 × 61,936.66
  4. Step 4: Simplify right side
    112,924.97x = 9,651,923,176.81
  5. Step 5: Solve for x
    x = 9,651,923,176.81/112,924.97
  6. Step 6: Final answer
    x = 85,472.01

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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.