Home / 125,383.30-188,072.96-50,501.68

Finding the Fourth Proportional to 125,383.30, 188,072.96 and 50,501.68

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Solution

The fourth proportional to 125,383.30, 188,072.96 and 50,501.68 is: 75,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,383.30 : 188,072.96 = 50,501.68 : x
  2. Step 2: Convert to fraction form
    125,383.30/188,072.96 = 50,501.68/x
  3. Step 3: Cross multiply
    125,383.30x = 188,072.96 × 50,501.68
  4. Step 4: Simplify right side
    125,383.30x = 9,498,000,442.57
  5. Step 5: Solve for x
    x = 9,498,000,442.57/125,383.30
  6. Step 6: Final answer
    x = 75,751.72

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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.