Home / 131,238.97-196,889.81-42,492.57

Finding the Fourth Proportional to 131,238.97, 196,889.81 and 42,492.57

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Solution

The fourth proportional to 131,238.97, 196,889.81 and 42,492.57 is: 63,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,238.97 : 196,889.81 = 42,492.57 : x
  2. Step 2: Convert to fraction form
    131,238.97/196,889.81 = 42,492.57/x
  3. Step 3: Cross multiply
    131,238.97x = 196,889.81 × 42,492.57
  4. Step 4: Simplify right side
    131,238.97x = 8,366,354,033.71
  5. Step 5: Solve for x
    x = 8,366,354,033.71/131,238.97
  6. Step 6: Final answer
    x = 63,749.01

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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.