Home / 143,181.93-197,591.52-79,519.73

Finding the Fourth Proportional to 143,181.93, 197,591.52 and 79,519.73

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Solution

The fourth proportional to 143,181.93, 197,591.52 and 79,519.73 is: 109,737.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,181.93 : 197,591.52 = 79,519.73 : x
  2. Step 2: Convert to fraction form
    143,181.93/197,591.52 = 79,519.73/x
  3. Step 3: Cross multiply
    143,181.93x = 197,591.52 × 79,519.73
  4. Step 4: Simplify right side
    143,181.93x = 15,712,424,320.69
  5. Step 5: Solve for x
    x = 15,712,424,320.69/143,181.93
  6. Step 6: Final answer
    x = 109,737.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.