Home / 198,454-273,869.76-113,617.84

Finding the Fourth Proportional to 198,454, 273,869.76 and 113,617.84

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Solution

The fourth proportional to 198,454, 273,869.76 and 113,617.84 is: 156,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,454 : 273,869.76 = 113,617.84 : x
  2. Step 2: Convert to fraction form
    198,454/273,869.76 = 113,617.84/x
  3. Step 3: Cross multiply
    198,454x = 273,869.76 × 113,617.84
  4. Step 4: Simplify right side
    198,454x = 31,116,490,572.52
  5. Step 5: Solve for x
    x = 31,116,490,572.52/198,454
  6. Step 6: Final answer
    x = 156,794.47

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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.