Home / 139,948.20-209,845.26-95,625

Finding the Fourth Proportional to 139,948.20, 209,845.26 and 95,625

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Solution

The fourth proportional to 139,948.20, 209,845.26 and 95,625 is: 143,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,948.20 : 209,845.26 = 95,625 : x
  2. Step 2: Convert to fraction form
    139,948.20/209,845.26 = 95,625/x
  3. Step 3: Cross multiply
    139,948.20x = 209,845.26 × 95,625
  4. Step 4: Simplify right side
    139,948.20x = 20,066,452,987.50
  5. Step 5: Solve for x
    x = 20,066,452,987.50/139,948.20
  6. Step 6: Final answer
    x = 143,384.86

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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.