Home / 139,542.05-209,314.37-44,772.44

Finding the Fourth Proportional to 139,542.05, 209,314.37 and 44,772.44

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Solution

The fourth proportional to 139,542.05, 209,314.37 and 44,772.44 is: 67,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,542.05 : 209,314.37 = 44,772.44 : x
  2. Step 2: Convert to fraction form
    139,542.05/209,314.37 = 44,772.44/x
  3. Step 3: Cross multiply
    139,542.05x = 209,314.37 × 44,772.44
  4. Step 4: Simplify right side
    139,542.05x = 9,371,514,137.32
  5. Step 5: Solve for x
    x = 9,371,514,137.32/139,542.05
  6. Step 6: Final answer
    x = 67,159.07

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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.