Home / 142,462.32-196,505.64-112,198.56

Finding the Fourth Proportional to 142,462.32, 196,505.64 and 112,198.56

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Solution

The fourth proportional to 142,462.32, 196,505.64 and 112,198.56 is: 154,761.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,462.32 : 196,505.64 = 112,198.56 : x
  2. Step 2: Convert to fraction form
    142,462.32/196,505.64 = 112,198.56/x
  3. Step 3: Cross multiply
    142,462.32x = 196,505.64 × 112,198.56
  4. Step 4: Simplify right side
    142,462.32x = 22,047,649,839.88
  5. Step 5: Solve for x
    x = 22,047,649,839.88/142,462.32
  6. Step 6: Final answer
    x = 154,761.27

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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.