Home / 131,576.75-181,580.24-71,960.75

Finding the Fourth Proportional to 131,576.75, 181,580.24 and 71,960.75

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Solution

The fourth proportional to 131,576.75, 181,580.24 and 71,960.75 is: 99,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,576.75 : 181,580.24 = 71,960.75 : x
  2. Step 2: Convert to fraction form
    131,576.75/181,580.24 = 71,960.75/x
  3. Step 3: Cross multiply
    131,576.75x = 181,580.24 × 71,960.75
  4. Step 4: Simplify right side
    131,576.75x = 13,066,649,895.78
  5. Step 5: Solve for x
    x = 13,066,649,895.78/131,576.75
  6. Step 6: Final answer
    x = 99,308.20

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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.