Home / 171,070.70-256,606.05-162,905.90

Finding the Fourth Proportional to 171,070.70, 256,606.05 and 162,905.90

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Solution

The fourth proportional to 171,070.70, 256,606.05 and 162,905.90 is: 244,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,070.70 : 256,606.05 = 162,905.90 : x
  2. Step 2: Convert to fraction form
    171,070.70/256,606.05 = 162,905.90/x
  3. Step 3: Cross multiply
    171,070.70x = 256,606.05 × 162,905.90
  4. Step 4: Simplify right side
    171,070.70x = 41,802,639,520.70
  5. Step 5: Solve for x
    x = 41,802,639,520.70/171,070.70
  6. Step 6: Final answer
    x = 244,358.85

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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.