Home / 131,343.93-196,889.13-42,537.15

Finding the Fourth Proportional to 131,343.93, 196,889.13 and 42,537.15

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Solution

The fourth proportional to 131,343.93, 196,889.13 and 42,537.15 is: 63,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,343.93 : 196,889.13 = 42,537.15 : x
  2. Step 2: Convert to fraction form
    131,343.93/196,889.13 = 42,537.15/x
  3. Step 3: Cross multiply
    131,343.93x = 196,889.13 × 42,537.15
  4. Step 4: Simplify right side
    131,343.93x = 8,375,102,456.18
  5. Step 5: Solve for x
    x = 8,375,102,456.18/131,343.93
  6. Step 6: Final answer
    x = 63,764.67

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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.