Home / 161,738.70-242,640.45-135,624.30

Finding the Fourth Proportional to 161,738.70, 242,640.45 and 135,624.30

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Solution

The fourth proportional to 161,738.70, 242,640.45 and 135,624.30 is: 203,463.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,738.70 : 242,640.45 = 135,624.30 : x
  2. Step 2: Convert to fraction form
    161,738.70/242,640.45 = 135,624.30/x
  3. Step 3: Cross multiply
    161,738.70x = 242,640.45 × 135,624.30
  4. Step 4: Simplify right side
    161,738.70x = 32,907,941,182.94
  5. Step 5: Solve for x
    x = 32,907,941,182.94/161,738.70
  6. Step 6: Final answer
    x = 203,463.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.