Home / 131,664.02-181,697.20-80,676.86

Finding the Fourth Proportional to 131,664.02, 181,697.20 and 80,676.86

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Solution

The fourth proportional to 131,664.02, 181,697.20 and 80,676.86 is: 111,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,664.02 : 181,697.20 = 80,676.86 : x
  2. Step 2: Convert to fraction form
    131,664.02/181,697.20 = 80,676.86/x
  3. Step 3: Cross multiply
    131,664.02x = 181,697.20 × 80,676.86
  4. Step 4: Simplify right side
    131,664.02x = 14,658,759,566.79
  5. Step 5: Solve for x
    x = 14,658,759,566.79/131,664.02
  6. Step 6: Final answer
    x = 111,334.59

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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.