Home / 131,515.22-197,296.07-42,753.09

Finding the Fourth Proportional to 131,515.22, 197,296.07 and 42,753.09

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Solution

The fourth proportional to 131,515.22, 197,296.07 and 42,753.09 is: 64,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,515.22 : 197,296.07 = 42,753.09 : x
  2. Step 2: Convert to fraction form
    131,515.22/197,296.07 = 42,753.09/x
  3. Step 3: Cross multiply
    131,515.22x = 197,296.07 × 42,753.09
  4. Step 4: Simplify right side
    131,515.22x = 8,435,016,423.59
  5. Step 5: Solve for x
    x = 8,435,016,423.59/131,515.22
  6. Step 6: Final answer
    x = 64,137.19

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1.5x scale

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.