Home / 112,844.84-155,724.80-61,860.38

Finding the Fourth Proportional to 112,844.84, 155,724.80 and 61,860.38

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Solution

The fourth proportional to 112,844.84, 155,724.80 and 61,860.38 is: 85,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,844.84 : 155,724.80 = 61,860.38 : x
  2. Step 2: Convert to fraction form
    112,844.84/155,724.80 = 61,860.38/x
  3. Step 3: Cross multiply
    112,844.84x = 155,724.80 × 61,860.38
  4. Step 4: Simplify right side
    112,844.84x = 9,633,194,215.50
  5. Step 5: Solve for x
    x = 9,633,194,215.50/112,844.84
  6. Step 6: Final answer
    x = 85,366.73

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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.