Home / 145,206.70-217,837.68-50,433.28

Finding the Fourth Proportional to 145,206.70, 217,837.68 and 50,433.28

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Solution

The fourth proportional to 145,206.70, 217,837.68 and 50,433.28 is: 75,659.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,206.70 : 217,837.68 = 50,433.28 : x
  2. Step 2: Convert to fraction form
    145,206.70/217,837.68 = 50,433.28/x
  3. Step 3: Cross multiply
    145,206.70x = 217,837.68 × 50,433.28
  4. Step 4: Simplify right side
    145,206.70x = 10,986,268,709.99
  5. Step 5: Solve for x
    x = 10,986,268,709.99/145,206.70
  6. Step 6: Final answer
    x = 75,659.52

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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.