Home / 139,028.72-208,543.08-50,261.46

Finding the Fourth Proportional to 139,028.72, 208,543.08 and 50,261.46

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Solution

The fourth proportional to 139,028.72, 208,543.08 and 50,261.46 is: 75,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,028.72 : 208,543.08 = 50,261.46 : x
  2. Step 2: Convert to fraction form
    139,028.72/208,543.08 = 50,261.46/x
  3. Step 3: Cross multiply
    139,028.72x = 208,543.08 × 50,261.46
  4. Step 4: Simplify right side
    139,028.72x = 10,481,679,673.70
  5. Step 5: Solve for x
    x = 10,481,679,673.70/139,028.72
  6. Step 6: Final answer
    x = 75,392.19

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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.