Home / 143,517.44-215,287.16-43,686.15

Finding the Fourth Proportional to 143,517.44, 215,287.16 and 43,686.15

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Solution

The fourth proportional to 143,517.44, 215,287.16 and 43,686.15 is: 65,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,517.44 : 215,287.16 = 43,686.15 : x
  2. Step 2: Convert to fraction form
    143,517.44/215,287.16 = 43,686.15/x
  3. Step 3: Cross multiply
    143,517.44x = 215,287.16 × 43,686.15
  4. Step 4: Simplify right side
    143,517.44x = 9,405,066,946.40
  5. Step 5: Solve for x
    x = 9,405,066,946.40/143,517.44
  6. Step 6: Final answer
    x = 65,532.57

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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.