Home / 143,504.28-215,251.56-38,317.68

Finding the Fourth Proportional to 143,504.28, 215,251.56 and 38,317.68

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Solution

The fourth proportional to 143,504.28, 215,251.56 and 38,317.68 is: 57,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,504.28 : 215,251.56 = 38,317.68 : x
  2. Step 2: Convert to fraction form
    143,504.28/215,251.56 = 38,317.68/x
  3. Step 3: Cross multiply
    143,504.28x = 215,251.56 × 38,317.68
  4. Step 4: Simplify right side
    143,504.28x = 8,247,940,395.58
  5. Step 5: Solve for x
    x = 8,247,940,395.58/143,504.28
  6. Step 6: Final answer
    x = 57,475.22

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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.