Home / 252,102.18-378,180.96-102,320.70

Finding the Fourth Proportional to 252,102.18, 378,180.96 and 102,320.70

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Solution

The fourth proportional to 252,102.18, 378,180.96 and 102,320.70 is: 153,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,102.18 : 378,180.96 = 102,320.70 : x
  2. Step 2: Convert to fraction form
    252,102.18/378,180.96 = 102,320.70/x
  3. Step 3: Cross multiply
    252,102.18x = 378,180.96 × 102,320.70
  4. Step 4: Simplify right side
    252,102.18x = 38,695,740,553.87
  5. Step 5: Solve for x
    x = 38,695,740,553.87/252,102.18
  6. Step 6: Final answer
    x = 153,492.29

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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.