Home / 125,379.90-188,082-36,631.44

Finding the Fourth Proportional to 125,379.90, 188,082 and 36,631.44

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Solution

The fourth proportional to 125,379.90, 188,082 and 36,631.44 is: 54,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,379.90 : 188,082 = 36,631.44 : x
  2. Step 2: Convert to fraction form
    125,379.90/188,082 = 36,631.44/x
  3. Step 3: Cross multiply
    125,379.90x = 188,082 × 36,631.44
  4. Step 4: Simplify right side
    125,379.90x = 6,889,714,498.08
  5. Step 5: Solve for x
    x = 6,889,714,498.08/125,379.90
  6. Step 6: Final answer
    x = 54,950.71

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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.