Home / 131,902.88-182,029.36-80,943.76

Finding the Fourth Proportional to 131,902.88, 182,029.36 and 80,943.76

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Solution

The fourth proportional to 131,902.88, 182,029.36 and 80,943.76 is: 111,704.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,902.88 : 182,029.36 = 80,943.76 : x
  2. Step 2: Convert to fraction form
    131,902.88/182,029.36 = 80,943.76/x
  3. Step 3: Cross multiply
    131,902.88x = 182,029.36 × 80,943.76
  4. Step 4: Simplify right side
    131,902.88x = 14,734,140,828.79
  5. Step 5: Solve for x
    x = 14,734,140,828.79/131,902.88
  6. Step 6: Final answer
    x = 111,704.47

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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.