Home / 142,867.08-197,157.35-82,440.27

Finding the Fourth Proportional to 142,867.08, 197,157.35 and 82,440.27

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Solution

The fourth proportional to 142,867.08, 197,157.35 and 82,440.27 is: 113,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,867.08 : 197,157.35 = 82,440.27 : x
  2. Step 2: Convert to fraction form
    142,867.08/197,157.35 = 82,440.27/x
  3. Step 3: Cross multiply
    142,867.08x = 197,157.35 × 82,440.27
  4. Step 4: Simplify right side
    142,867.08x = 16,253,705,372.59
  5. Step 5: Solve for x
    x = 16,253,705,372.59/142,867.08
  6. Step 6: Final answer
    x = 113,768.02

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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.