Home / 107,789.00-147,671.62-103,748.69

Finding the Fourth Proportional to 107,789.00, 147,671.62 and 103,748.69

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Solution

The fourth proportional to 107,789.00, 147,671.62 and 103,748.69 is: 142,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,789.00 : 147,671.62 = 103,748.69 : x
  2. Step 2: Convert to fraction form
    107,789.00/147,671.62 = 103,748.69/x
  3. Step 3: Cross multiply
    107,789.00x = 147,671.62 × 103,748.69
  4. Step 4: Simplify right side
    107,789.00x = 15,320,737,234.99
  5. Step 5: Solve for x
    x = 15,320,737,234.99/107,789.00
  6. Step 6: Final answer
    x = 142,136.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.