Home / 142,110.99-196,106.28-80,851.41

Finding the Fourth Proportional to 142,110.99, 196,106.28 and 80,851.41

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Solution

The fourth proportional to 142,110.99, 196,106.28 and 80,851.41 is: 111,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,110.99 : 196,106.28 = 80,851.41 : x
  2. Step 2: Convert to fraction form
    142,110.99/196,106.28 = 80,851.41/x
  3. Step 3: Cross multiply
    142,110.99x = 196,106.28 × 80,851.41
  4. Step 4: Simplify right side
    142,110.99x = 15,855,468,944.66
  5. Step 5: Solve for x
    x = 15,855,468,944.66/142,110.99
  6. Step 6: Final answer
    x = 111,571.03

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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.