Home / 131,185.64-181,094.82-88,872.68

Finding the Fourth Proportional to 131,185.64, 181,094.82 and 88,872.68

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Solution

The fourth proportional to 131,185.64, 181,094.82 and 88,872.68 is: 122,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,185.64 : 181,094.82 = 88,872.68 : x
  2. Step 2: Convert to fraction form
    131,185.64/181,094.82 = 88,872.68/x
  3. Step 3: Cross multiply
    131,185.64x = 181,094.82 × 88,872.68
  4. Step 4: Simplify right side
    131,185.64x = 16,094,381,987.52
  5. Step 5: Solve for x
    x = 16,094,381,987.52/131,185.64
  6. Step 6: Final answer
    x = 122,684.02

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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.