Home / 144,861.80-217,307.70-39,680.75

Finding the Fourth Proportional to 144,861.80, 217,307.70 and 39,680.75

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Solution

The fourth proportional to 144,861.80, 217,307.70 and 39,680.75 is: 59,525.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,861.80 : 217,307.70 = 39,680.75 : x
  2. Step 2: Convert to fraction form
    144,861.80/217,307.70 = 39,680.75/x
  3. Step 3: Cross multiply
    144,861.80x = 217,307.70 × 39,680.75
  4. Step 4: Simplify right side
    144,861.80x = 8,622,932,516.78
  5. Step 5: Solve for x
    x = 8,622,932,516.78/144,861.80
  6. Step 6: Final answer
    x = 59,525.23

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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.