Home / 78,144.24-107,844.84-44,156.64

Finding the Fourth Proportional to 78,144.24, 107,844.84 and 44,156.64

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Solution

The fourth proportional to 78,144.24, 107,844.84 and 44,156.64 is: 60,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,144.24 : 107,844.84 = 44,156.64 : x
  2. Step 2: Convert to fraction form
    78,144.24/107,844.84 = 44,156.64/x
  3. Step 3: Cross multiply
    78,144.24x = 107,844.84 × 44,156.64
  4. Step 4: Simplify right side
    78,144.24x = 4,762,065,775.74
  5. Step 5: Solve for x
    x = 4,762,065,775.74/78,144.24
  6. Step 6: Final answer
    x = 60,939.43

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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.