Home / 112,816.98-155,694.69-62,519.22

Finding the Fourth Proportional to 112,816.98, 155,694.69 and 62,519.22

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Solution

The fourth proportional to 112,816.98, 155,694.69 and 62,519.22 is: 86,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,816.98 : 155,694.69 = 62,519.22 : x
  2. Step 2: Convert to fraction form
    112,816.98/155,694.69 = 62,519.22/x
  3. Step 3: Cross multiply
    112,816.98x = 155,694.69 × 62,519.22
  4. Step 4: Simplify right side
    112,816.98x = 9,733,910,576.94
  5. Step 5: Solve for x
    x = 9,733,910,576.94/112,816.98
  6. Step 6: Final answer
    x = 86,280.55

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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.