Home / 143,571.36-215,367.60-43,740.08

Finding the Fourth Proportional to 143,571.36, 215,367.60 and 43,740.08

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Solution

The fourth proportional to 143,571.36, 215,367.60 and 43,740.08 is: 65,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,571.36 : 215,367.60 = 43,740.08 : x
  2. Step 2: Convert to fraction form
    143,571.36/215,367.60 = 43,740.08/x
  3. Step 3: Cross multiply
    143,571.36x = 215,367.60 × 43,740.08
  4. Step 4: Simplify right side
    143,571.36x = 9,420,196,053.41
  5. Step 5: Solve for x
    x = 9,420,196,053.41/143,571.36
  6. Step 6: Final answer
    x = 65,613.34

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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.