Home / 145,285.37-217,963.19-50,501.87

Finding the Fourth Proportional to 145,285.37, 217,963.19 and 50,501.87

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Solution

The fourth proportional to 145,285.37, 217,963.19 and 50,501.87 is: 75,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,285.37 : 217,963.19 = 50,501.87 : x
  2. Step 2: Convert to fraction form
    145,285.37/217,963.19 = 50,501.87/x
  3. Step 3: Cross multiply
    145,285.37x = 217,963.19 × 50,501.87
  4. Step 4: Simplify right side
    145,285.37x = 11,007,548,433.66
  5. Step 5: Solve for x
    x = 11,007,548,433.66/145,285.37
  6. Step 6: Final answer
    x = 75,765.02

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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.