Home / 161,771.70-242,436.03-102,648.90

Finding the Fourth Proportional to 161,771.70, 242,436.03 and 102,648.90

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Solution

The fourth proportional to 161,771.70, 242,436.03 and 102,648.90 is: 153,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,771.70 : 242,436.03 = 102,648.90 : x
  2. Step 2: Convert to fraction form
    161,771.70/242,436.03 = 102,648.90/x
  3. Step 3: Cross multiply
    161,771.70x = 242,436.03 × 102,648.90
  4. Step 4: Simplify right side
    161,771.70x = 24,885,791,799.87
  5. Step 5: Solve for x
    x = 24,885,791,799.87/161,771.70
  6. Step 6: Final answer
    x = 153,832.79

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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.