Home / 131,601.42-181,609.44-71,172.14

Finding the Fourth Proportional to 131,601.42, 181,609.44 and 71,172.14

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Solution

The fourth proportional to 131,601.42, 181,609.44 and 71,172.14 is: 98,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,601.42 : 181,609.44 = 71,172.14 : x
  2. Step 2: Convert to fraction form
    131,601.42/181,609.44 = 71,172.14/x
  3. Step 3: Cross multiply
    131,601.42x = 181,609.44 × 71,172.14
  4. Step 4: Simplify right side
    131,601.42x = 12,925,532,489.00
  5. Step 5: Solve for x
    x = 12,925,532,489.00/131,601.42
  6. Step 6: Final answer
    x = 98,217.27

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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.