Home / 197,154.30-272,072.62-112,271.37

Finding the Fourth Proportional to 197,154.30, 272,072.62 and 112,271.37

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Solution

The fourth proportional to 197,154.30, 272,072.62 and 112,271.37 is: 154,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,154.30 : 272,072.62 = 112,271.37 : x
  2. Step 2: Convert to fraction form
    197,154.30/272,072.62 = 112,271.37/x
  3. Step 3: Cross multiply
    197,154.30x = 272,072.62 × 112,271.37
  4. Step 4: Simplify right side
    197,154.30x = 30,545,964,906.96
  5. Step 5: Solve for x
    x = 30,545,964,906.96/197,154.30
  6. Step 6: Final answer
    x = 154,934.30

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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.