Home / 142,372.00-196,467.14-81,944.58

Finding the Fourth Proportional to 142,372.00, 196,467.14 and 81,944.58

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Solution

The fourth proportional to 142,372.00, 196,467.14 and 81,944.58 is: 113,079.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,372.00 : 196,467.14 = 81,944.58 : x
  2. Step 2: Convert to fraction form
    142,372.00/196,467.14 = 81,944.58/x
  3. Step 3: Cross multiply
    142,372.00x = 196,467.14 × 81,944.58
  4. Step 4: Simplify right side
    142,372.00x = 16,099,417,751.78
  5. Step 5: Solve for x
    x = 16,099,417,751.78/142,372.00
  6. Step 6: Final answer
    x = 113,079.94

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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.