Home / 112,760.40-169,122.96-49,566.54

Finding the Fourth Proportional to 112,760.40, 169,122.96 and 49,566.54

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Solution

The fourth proportional to 112,760.40, 169,122.96 and 49,566.54 is: 74,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,760.40 : 169,122.96 = 49,566.54 : x
  2. Step 2: Convert to fraction form
    112,760.40/169,122.96 = 49,566.54/x
  3. Step 3: Cross multiply
    112,760.40x = 169,122.96 × 49,566.54
  4. Step 4: Simplify right side
    112,760.40x = 8,382,839,961.76
  5. Step 5: Solve for x
    x = 8,382,839,961.76/112,760.40
  6. Step 6: Final answer
    x = 74,342.06

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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.