Home / 131,727.08-197,591.13-31,887.11

Finding the Fourth Proportional to 131,727.08, 197,591.13 and 31,887.11

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Solution

The fourth proportional to 131,727.08, 197,591.13 and 31,887.11 is: 47,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,727.08 : 197,591.13 = 31,887.11 : x
  2. Step 2: Convert to fraction form
    131,727.08/197,591.13 = 31,887.11/x
  3. Step 3: Cross multiply
    131,727.08x = 197,591.13 × 31,887.11
  4. Step 4: Simplify right side
    131,727.08x = 6,300,609,930.06
  5. Step 5: Solve for x
    x = 6,300,609,930.06/131,727.08
  6. Step 6: Final answer
    x = 47,830.79

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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.