Home / 138,710.57-208,065.87-33,529.52

Finding the Fourth Proportional to 138,710.57, 208,065.87 and 33,529.52

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Solution

The fourth proportional to 138,710.57, 208,065.87 and 33,529.52 is: 50,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,710.57 : 208,065.87 = 33,529.52 : x
  2. Step 2: Convert to fraction form
    138,710.57/208,065.87 = 33,529.52/x
  3. Step 3: Cross multiply
    138,710.57x = 208,065.87 × 33,529.52
  4. Step 4: Simplify right side
    138,710.57x = 6,976,347,709.15
  5. Step 5: Solve for x
    x = 6,976,347,709.15/138,710.57
  6. Step 6: Final answer
    x = 50,294.28

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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.