Home / 143,846.62-215,769.75-38,665.60

Finding the Fourth Proportional to 143,846.62, 215,769.75 and 38,665.60

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Solution

The fourth proportional to 143,846.62, 215,769.75 and 38,665.60 is: 57,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,846.62 : 215,769.75 = 38,665.60 : x
  2. Step 2: Convert to fraction form
    143,846.62/215,769.75 = 38,665.60/x
  3. Step 3: Cross multiply
    143,846.62x = 215,769.75 × 38,665.60
  4. Step 4: Simplify right side
    143,846.62x = 8,342,866,845.60
  5. Step 5: Solve for x
    x = 8,342,866,845.60/143,846.62
  6. Step 6: Final answer
    x = 57,998.35

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1.5x scale

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.