Home / 145,114.20-217,619.46-51,601.32

Finding the Fourth Proportional to 145,114.20, 217,619.46 and 51,601.32

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Solution

The fourth proportional to 145,114.20, 217,619.46 and 51,601.32 is: 77,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,114.20 : 217,619.46 = 51,601.32 : x
  2. Step 2: Convert to fraction form
    145,114.20/217,619.46 = 51,601.32/x
  3. Step 3: Cross multiply
    145,114.20x = 217,619.46 × 51,601.32
  4. Step 4: Simplify right side
    145,114.20x = 11,229,451,393.69
  5. Step 5: Solve for x
    x = 11,229,451,393.69/145,114.20
  6. Step 6: Final answer
    x = 77,383.55

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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.