Home / 139,473.04-209,143.68-50,664.64

Finding the Fourth Proportional to 139,473.04, 209,143.68 and 50,664.64

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Solution

The fourth proportional to 139,473.04, 209,143.68 and 50,664.64 is: 75,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,473.04 : 209,143.68 = 50,664.64 : x
  2. Step 2: Convert to fraction form
    139,473.04/209,143.68 = 50,664.64/x
  3. Step 3: Cross multiply
    139,473.04x = 209,143.68 × 50,664.64
  4. Step 4: Simplify right side
    139,473.04x = 10,596,189,255.48
  5. Step 5: Solve for x
    x = 10,596,189,255.48/139,473.04
  6. Step 6: Final answer
    x = 75,973.03

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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.