Home / 198,521.91-273,970.74-112,497.57

Finding the Fourth Proportional to 198,521.91, 273,970.74 and 112,497.57

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Solution

The fourth proportional to 198,521.91, 273,970.74 and 112,497.57 is: 155,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,521.91 : 273,970.74 = 112,497.57 : x
  2. Step 2: Convert to fraction form
    198,521.91/273,970.74 = 112,497.57/x
  3. Step 3: Cross multiply
    198,521.91x = 273,970.74 × 112,497.57
  4. Step 4: Simplify right side
    198,521.91x = 30,821,042,501.10
  5. Step 5: Solve for x
    x = 30,821,042,501.10/198,521.91
  6. Step 6: Final answer
    x = 155,252.60

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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.