Home / 197,281.58-272,249.78-106,637.31

Finding the Fourth Proportional to 197,281.58, 272,249.78 and 106,637.31

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Solution

The fourth proportional to 197,281.58, 272,249.78 and 106,637.31 is: 147,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,281.58 : 272,249.78 = 106,637.31 : x
  2. Step 2: Convert to fraction form
    197,281.58/272,249.78 = 106,637.31/x
  3. Step 3: Cross multiply
    197,281.58x = 272,249.78 × 106,637.31
  4. Step 4: Simplify right side
    197,281.58x = 29,031,983,654.11
  5. Step 5: Solve for x
    x = 29,031,983,654.11/197,281.58
  6. Step 6: Final answer
    x = 147,160.14

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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.