Home / 131,605.62-181,615.21-71,176.33

Finding the Fourth Proportional to 131,605.62, 181,615.21 and 71,176.33

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Solution

The fourth proportional to 131,605.62, 181,615.21 and 71,176.33 is: 98,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,605.62 : 181,615.21 = 71,176.33 : x
  2. Step 2: Convert to fraction form
    131,605.62/181,615.21 = 71,176.33/x
  3. Step 3: Cross multiply
    131,605.62x = 181,615.21 × 71,176.33
  4. Step 4: Simplify right side
    131,605.62x = 12,926,704,119.98
  5. Step 5: Solve for x
    x = 12,926,704,119.98/131,605.62
  6. Step 6: Final answer
    x = 98,223.04

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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.