Home / 131,041.90-196,446.44-51,061.32

Finding the Fourth Proportional to 131,041.90, 196,446.44 and 51,061.32

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Solution

The fourth proportional to 131,041.90, 196,446.44 and 51,061.32 is: 76,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,041.90 : 196,446.44 = 51,061.32 : x
  2. Step 2: Convert to fraction form
    131,041.90/196,446.44 = 51,061.32/x
  3. Step 3: Cross multiply
    131,041.90x = 196,446.44 × 51,061.32
  4. Step 4: Simplify right side
    131,041.90x = 10,030,814,535.70
  5. Step 5: Solve for x
    x = 10,030,814,535.70/131,041.90
  6. Step 6: Final answer
    x = 76,546.62

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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.