Home / 143,504.33-215,275.29-47,409.60

Finding the Fourth Proportional to 143,504.33, 215,275.29 and 47,409.60

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Solution

The fourth proportional to 143,504.33, 215,275.29 and 47,409.60 is: 71,120.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,504.33 : 215,275.29 = 47,409.60 : x
  2. Step 2: Convert to fraction form
    143,504.33/215,275.29 = 47,409.60/x
  3. Step 3: Cross multiply
    143,504.33x = 215,275.29 × 47,409.60
  4. Step 4: Simplify right side
    143,504.33x = 10,206,116,418.30
  5. Step 5: Solve for x
    x = 10,206,116,418.30/143,504.33
  6. Step 6: Final answer
    x = 71,120.61

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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.