Home / 139,359.28-209,038.54-50,612.44

Finding the Fourth Proportional to 139,359.28, 209,038.54 and 50,612.44

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Solution

The fourth proportional to 139,359.28, 209,038.54 and 50,612.44 is: 75,918.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,359.28 : 209,038.54 = 50,612.44 : x
  2. Step 2: Convert to fraction form
    139,359.28/209,038.54 = 50,612.44/x
  3. Step 3: Cross multiply
    139,359.28x = 209,038.54 × 50,612.44
  4. Step 4: Simplify right side
    139,359.28x = 10,579,950,563.44
  5. Step 5: Solve for x
    x = 10,579,950,563.44/139,359.28
  6. Step 6: Final answer
    x = 75,918.52

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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.