Home / 139,691.12-209,556.24-44,889.44

Finding the Fourth Proportional to 139,691.12, 209,556.24 and 44,889.44

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Solution

The fourth proportional to 139,691.12, 209,556.24 and 44,889.44 is: 67,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,691.12 : 209,556.24 = 44,889.44 : x
  2. Step 2: Convert to fraction form
    139,691.12/209,556.24 = 44,889.44/x
  3. Step 3: Cross multiply
    139,691.12x = 209,556.24 × 44,889.44
  4. Step 4: Simplify right side
    139,691.12x = 9,406,862,262.11
  5. Step 5: Solve for x
    x = 9,406,862,262.11/139,691.12
  6. Step 6: Final answer
    x = 67,340.45

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1.5x scale

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.