Home / 131,601.04-181,609.99-71,171.68

Finding the Fourth Proportional to 131,601.04, 181,609.99 and 71,171.68

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Solution

The fourth proportional to 131,601.04, 181,609.99 and 71,171.68 is: 98,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,601.04 : 181,609.99 = 71,171.68 : x
  2. Step 2: Convert to fraction form
    131,601.04/181,609.99 = 71,171.68/x
  3. Step 3: Cross multiply
    131,601.04x = 181,609.99 × 71,171.68
  4. Step 4: Simplify right side
    131,601.04x = 12,925,488,093.08
  5. Step 5: Solve for x
    x = 12,925,488,093.08/131,601.04
  6. Step 6: Final answer
    x = 98,217.22

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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.