Home / 143,188.75-197,600.48-79,532.47

Finding the Fourth Proportional to 143,188.75, 197,600.48 and 79,532.47

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Solution

The fourth proportional to 143,188.75, 197,600.48 and 79,532.47 is: 109,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,188.75 : 197,600.48 = 79,532.47 : x
  2. Step 2: Convert to fraction form
    143,188.75/197,600.48 = 79,532.47/x
  3. Step 3: Cross multiply
    143,188.75x = 197,600.48 × 79,532.47
  4. Step 4: Simplify right side
    143,188.75x = 15,715,654,247.59
  5. Step 5: Solve for x
    x = 15,715,654,247.59/143,188.75
  6. Step 6: Final answer
    x = 109,754.81

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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.