Home / 131,837.44-181,934.22-71,406.58

Finding the Fourth Proportional to 131,837.44, 181,934.22 and 71,406.58

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Solution

The fourth proportional to 131,837.44, 181,934.22 and 71,406.58 is: 98,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,837.44 : 181,934.22 = 71,406.58 : x
  2. Step 2: Convert to fraction form
    131,837.44/181,934.22 = 71,406.58/x
  3. Step 3: Cross multiply
    131,837.44x = 181,934.22 × 71,406.58
  4. Step 4: Simplify right side
    131,837.44x = 12,991,300,435.17
  5. Step 5: Solve for x
    x = 12,991,300,435.17/131,837.44
  6. Step 6: Final answer
    x = 98,540.30

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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.