Home / 156,945.70-235,072.95-136,209.70

Finding the Fourth Proportional to 156,945.70, 235,072.95 and 136,209.70

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Solution

The fourth proportional to 156,945.70, 235,072.95 and 136,209.70 is: 204,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,945.70 : 235,072.95 = 136,209.70 : x
  2. Step 2: Convert to fraction form
    156,945.70/235,072.95 = 136,209.70/x
  3. Step 3: Cross multiply
    156,945.70x = 235,072.95 × 136,209.70
  4. Step 4: Simplify right side
    156,945.70x = 32,019,215,997.62
  5. Step 5: Solve for x
    x = 32,019,215,997.62/156,945.70
  6. Step 6: Final answer
    x = 204,014.61

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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.