Home / 131,604.62-181,613.84-71,175.33

Finding the Fourth Proportional to 131,604.62, 181,613.84 and 71,175.33

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Solution

The fourth proportional to 131,604.62, 181,613.84 and 71,175.33 is: 98,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,604.62 : 181,613.84 = 71,175.33 : x
  2. Step 2: Convert to fraction form
    131,604.62/181,613.84 = 71,175.33/x
  3. Step 3: Cross multiply
    131,604.62x = 181,613.84 × 71,175.33
  4. Step 4: Simplify right side
    131,604.62x = 12,926,424,638.69
  5. Step 5: Solve for x
    x = 12,926,424,638.69/131,604.62
  6. Step 6: Final answer
    x = 98,221.67

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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.