Home / 197,624.21-272,721.53-106,979.87

Finding the Fourth Proportional to 197,624.21, 272,721.53 and 106,979.87

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Solution

The fourth proportional to 197,624.21, 272,721.53 and 106,979.87 is: 147,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,624.21 : 272,721.53 = 106,979.87 : x
  2. Step 2: Convert to fraction form
    197,624.21/272,721.53 = 106,979.87/x
  3. Step 3: Cross multiply
    197,624.21x = 272,721.53 × 106,979.87
  4. Step 4: Simplify right side
    197,624.21x = 29,175,714,774.85
  5. Step 5: Solve for x
    x = 29,175,714,774.85/197,624.21
  6. Step 6: Final answer
    x = 147,632.29

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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.