Home / 143,171.18-197,511.44-92,165.64

Finding the Fourth Proportional to 143,171.18, 197,511.44 and 92,165.64

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Solution

The fourth proportional to 143,171.18, 197,511.44 and 92,165.64 is: 127,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,171.18 : 197,511.44 = 92,165.64 : x
  2. Step 2: Convert to fraction form
    143,171.18/197,511.44 = 92,165.64/x
  3. Step 3: Cross multiply
    143,171.18x = 197,511.44 × 92,165.64
  4. Step 4: Simplify right side
    143,171.18x = 18,203,768,274.92
  5. Step 5: Solve for x
    x = 18,203,768,274.92/143,171.18
  6. Step 6: Final answer
    x = 127,146.88

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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.