Home / 143,617.22-215,425.83-38,433.45

Finding the Fourth Proportional to 143,617.22, 215,425.83 and 38,433.45

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Solution

The fourth proportional to 143,617.22, 215,425.83 and 38,433.45 is: 57,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,617.22 : 215,425.83 = 38,433.45 : x
  2. Step 2: Convert to fraction form
    143,617.22/215,425.83 = 38,433.45/x
  3. Step 3: Cross multiply
    143,617.22x = 215,425.83 × 38,433.45
  4. Step 4: Simplify right side
    143,617.22x = 8,279,558,601.80
  5. Step 5: Solve for x
    x = 8,279,558,601.80/143,617.22
  6. Step 6: Final answer
    x = 57,650.18

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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.