Home / 131,343.32-197,040.70-47,080.94

Finding the Fourth Proportional to 131,343.32, 197,040.70 and 47,080.94

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Solution

The fourth proportional to 131,343.32, 197,040.70 and 47,080.94 is: 70,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,343.32 : 197,040.70 = 47,080.94 : x
  2. Step 2: Convert to fraction form
    131,343.32/197,040.70 = 47,080.94/x
  3. Step 3: Cross multiply
    131,343.32x = 197,040.70 × 47,080.94
  4. Step 4: Simplify right side
    131,343.32x = 9,276,861,374.26
  5. Step 5: Solve for x
    x = 9,276,861,374.26/131,343.32
  6. Step 6: Final answer
    x = 70,630.63

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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.