Home / 289,115.20-433,684.96-102,127.68

Finding the Fourth Proportional to 289,115.20, 433,684.96 and 102,127.68

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Solution

The fourth proportional to 289,115.20, 433,684.96 and 102,127.68 is: 153,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,115.20 : 433,684.96 = 102,127.68 : x
  2. Step 2: Convert to fraction form
    289,115.20/433,684.96 = 102,127.68/x
  3. Step 3: Cross multiply
    289,115.20x = 433,684.96 × 102,127.68
  4. Step 4: Simplify right side
    289,115.20x = 44,291,238,815.69
  5. Step 5: Solve for x
    x = 44,291,238,815.69/289,115.20
  6. Step 6: Final answer
    x = 153,195.82

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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.