Home / 131,723.55-197,584.52-42,977.12

Finding the Fourth Proportional to 131,723.55, 197,584.52 and 42,977.12

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Solution

The fourth proportional to 131,723.55, 197,584.52 and 42,977.12 is: 64,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,723.55 : 197,584.52 = 42,977.12 : x
  2. Step 2: Convert to fraction form
    131,723.55/197,584.52 = 42,977.12/x
  3. Step 3: Cross multiply
    131,723.55x = 197,584.52 × 42,977.12
  4. Step 4: Simplify right side
    131,723.55x = 8,491,612,423.37
  5. Step 5: Solve for x
    x = 8,491,612,423.37/131,723.55
  6. Step 6: Final answer
    x = 64,465.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.