Home / 198,176.56-297,274.58-79,831.88

Finding the Fourth Proportional to 198,176.56, 297,274.58 and 79,831.88

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Solution

The fourth proportional to 198,176.56, 297,274.58 and 79,831.88 is: 119,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,176.56 : 297,274.58 = 79,831.88 : x
  2. Step 2: Convert to fraction form
    198,176.56/297,274.58 = 79,831.88/x
  3. Step 3: Cross multiply
    198,176.56x = 297,274.58 × 79,831.88
  4. Step 4: Simplify right side
    198,176.56x = 23,731,988,597.61
  5. Step 5: Solve for x
    x = 23,731,988,597.61/198,176.56
  6. Step 6: Final answer
    x = 119,751.74

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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.