Home / 144,664.60-217,061.70-65,738.20

Finding the Fourth Proportional to 144,664.60, 217,061.70 and 65,738.20

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Solution

The fourth proportional to 144,664.60, 217,061.70 and 65,738.20 is: 98,636.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,664.60 : 217,061.70 = 65,738.20 : x
  2. Step 2: Convert to fraction form
    144,664.60/217,061.70 = 65,738.20/x
  3. Step 3: Cross multiply
    144,664.60x = 217,061.70 × 65,738.20
  4. Step 4: Simplify right side
    144,664.60x = 14,269,245,446.94
  5. Step 5: Solve for x
    x = 14,269,245,446.94/144,664.60
  6. Step 6: Final answer
    x = 98,636.75

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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.