Home / 131,353.74-197,034.84-51,388.56

Finding the Fourth Proportional to 131,353.74, 197,034.84 and 51,388.56

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Solution

The fourth proportional to 131,353.74, 197,034.84 and 51,388.56 is: 77,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,353.74 : 197,034.84 = 51,388.56 : x
  2. Step 2: Convert to fraction form
    131,353.74/197,034.84 = 51,388.56/x
  3. Step 3: Cross multiply
    131,353.74x = 197,034.84 × 51,388.56
  4. Step 4: Simplify right side
    131,353.74x = 10,125,336,697.43
  5. Step 5: Solve for x
    x = 10,125,336,697.43/131,353.74
  6. Step 6: Final answer
    x = 77,084.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.