Home / 197,310.84-272,222.32-112,367.76

Finding the Fourth Proportional to 197,310.84, 272,222.32 and 112,367.76

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Solution

The fourth proportional to 197,310.84, 272,222.32 and 112,367.76 is: 155,029.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,310.84 : 272,222.32 = 112,367.76 : x
  2. Step 2: Convert to fraction form
    197,310.84/272,222.32 = 112,367.76/x
  3. Step 3: Cross multiply
    197,310.84x = 272,222.32 × 112,367.76
  4. Step 4: Simplify right side
    197,310.84x = 30,589,012,320.40
  5. Step 5: Solve for x
    x = 30,589,012,320.40/197,310.84
  6. Step 6: Final answer
    x = 155,029.56

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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.