Home / 95,178.76-131,345.76-52,158.64

Finding the Fourth Proportional to 95,178.76, 131,345.76 and 52,158.64

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Solution

The fourth proportional to 95,178.76, 131,345.76 and 52,158.64 is: 71,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,178.76 : 131,345.76 = 52,158.64 : x
  2. Step 2: Convert to fraction form
    95,178.76/131,345.76 = 52,158.64/x
  3. Step 3: Cross multiply
    95,178.76x = 131,345.76 × 52,158.64
  4. Step 4: Simplify right side
    95,178.76x = 6,850,816,211.37
  5. Step 5: Solve for x
    x = 6,850,816,211.37/95,178.76
  6. Step 6: Final answer
    x = 71,978.41

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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.