Home / 97,115.57-145,809.65-49,764.69

Finding the Fourth Proportional to 97,115.57, 145,809.65 and 49,764.69

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Solution

The fourth proportional to 97,115.57, 145,809.65 and 49,764.69 is: 74,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,115.57 : 145,809.65 = 49,764.69 : x
  2. Step 2: Convert to fraction form
    97,115.57/145,809.65 = 49,764.69/x
  3. Step 3: Cross multiply
    97,115.57x = 145,809.65 × 49,764.69
  4. Step 4: Simplify right side
    97,115.57x = 7,256,171,666.73
  5. Step 5: Solve for x
    x = 7,256,171,666.73/97,115.57
  6. Step 6: Final answer
    x = 74,716.87

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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.