Home / 133,410.83-199,795.55-76,311.68

Finding the Fourth Proportional to 133,410.83, 199,795.55 and 76,311.68

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Solution

The fourth proportional to 133,410.83, 199,795.55 and 76,311.68 is: 114,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,410.83 : 199,795.55 = 76,311.68 : x
  2. Step 2: Convert to fraction form
    133,410.83/199,795.55 = 76,311.68/x
  3. Step 3: Cross multiply
    133,410.83x = 199,795.55 × 76,311.68
  4. Step 4: Simplify right side
    133,410.83x = 15,246,732,696.49
  5. Step 5: Solve for x
    x = 15,246,732,696.49/133,410.83
  6. Step 6: Final answer
    x = 114,284.07

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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.