Home / 131,233.85-181,102.67-71,617.85

Finding the Fourth Proportional to 131,233.85, 181,102.67 and 71,617.85

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Solution

The fourth proportional to 131,233.85, 181,102.67 and 71,617.85 is: 98,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,233.85 : 181,102.67 = 71,617.85 : x
  2. Step 2: Convert to fraction form
    131,233.85/181,102.67 = 71,617.85/x
  3. Step 3: Cross multiply
    131,233.85x = 181,102.67 × 71,617.85
  4. Step 4: Simplify right side
    131,233.85x = 12,970,183,496.57
  5. Step 5: Solve for x
    x = 12,970,183,496.57/131,233.85
  6. Step 6: Final answer
    x = 98,832.61

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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.