Home / 197,137.71-272,049.77-112,254.77

Finding the Fourth Proportional to 197,137.71, 272,049.77 and 112,254.77

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Solution

The fourth proportional to 197,137.71, 272,049.77 and 112,254.77 is: 154,911.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,137.71 : 272,049.77 = 112,254.77 : x
  2. Step 2: Convert to fraction form
    197,137.71/272,049.77 = 112,254.77/x
  3. Step 3: Cross multiply
    197,137.71x = 272,049.77 × 112,254.77
  4. Step 4: Simplify right side
    197,137.71x = 30,538,885,320.66
  5. Step 5: Solve for x
    x = 30,538,885,320.66/197,137.71
  6. Step 6: Final answer
    x = 154,911.43

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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.