Home / 131,238.06-196,888.45-42,491.67

Finding the Fourth Proportional to 131,238.06, 196,888.45 and 42,491.67

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Solution

The fourth proportional to 131,238.06, 196,888.45 and 42,491.67 is: 63,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,238.06 : 196,888.45 = 42,491.67 : x
  2. Step 2: Convert to fraction form
    131,238.06/196,888.45 = 42,491.67/x
  3. Step 3: Cross multiply
    131,238.06x = 196,888.45 × 42,491.67
  4. Step 4: Simplify right side
    131,238.06x = 8,366,119,044.21
  5. Step 5: Solve for x
    x = 8,366,119,044.21/131,238.06
  6. Step 6: Final answer
    x = 63,747.66

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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.