Home / 339,947.70-509,953.55-100,061.75

Finding the Fourth Proportional to 339,947.70, 509,953.55 and 100,061.75

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Solution

The fourth proportional to 339,947.70, 509,953.55 and 100,061.75 is: 150,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,947.70 : 509,953.55 = 100,061.75 : x
  2. Step 2: Convert to fraction form
    339,947.70/509,953.55 = 100,061.75/x
  3. Step 3: Cross multiply
    339,947.70x = 509,953.55 × 100,061.75
  4. Step 4: Simplify right side
    339,947.70x = 51,026,841,581.64
  5. Step 5: Solve for x
    x = 51,026,841,581.64/339,947.70
  6. Step 6: Final answer
    x = 150,102.04

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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.