Home / 131,360.64-181,244.34-80,354.82

Finding the Fourth Proportional to 131,360.64, 181,244.34 and 80,354.82

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Solution

The fourth proportional to 131,360.64, 181,244.34 and 80,354.82 is: 110,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,360.64 : 181,244.34 = 80,354.82 : x
  2. Step 2: Convert to fraction form
    131,360.64/181,244.34 = 80,354.82/x
  3. Step 3: Cross multiply
    131,360.64x = 181,244.34 × 80,354.82
  4. Step 4: Simplify right side
    131,360.64x = 14,563,856,316.72
  5. Step 5: Solve for x
    x = 14,563,856,316.72/131,360.64
  6. Step 6: Final answer
    x = 110,869.26

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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.