Home / 209,166.20-313,529.99-102,402.94

Finding the Fourth Proportional to 209,166.20, 313,529.99 and 102,402.94

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Solution

The fourth proportional to 209,166.20, 313,529.99 and 102,402.94 is: 153,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,166.20 : 313,529.99 = 102,402.94 : x
  2. Step 2: Convert to fraction form
    209,166.20/313,529.99 = 102,402.94/x
  3. Step 3: Cross multiply
    209,166.20x = 313,529.99 × 102,402.94
  4. Step 4: Simplify right side
    209,166.20x = 32,106,392,754.17
  5. Step 5: Solve for x
    x = 32,106,392,754.17/209,166.20
  6. Step 6: Final answer
    x = 153,497.04

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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.