Home / 145,004.20-217,544.70-51,500.20

Finding the Fourth Proportional to 145,004.20, 217,544.70 and 51,500.20

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Solution

The fourth proportional to 145,004.20, 217,544.70 and 51,500.20 is: 77,263.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,004.20 : 217,544.70 = 51,500.20 : x
  2. Step 2: Convert to fraction form
    145,004.20/217,544.70 = 51,500.20/x
  3. Step 3: Cross multiply
    145,004.20x = 217,544.70 × 51,500.20
  4. Step 4: Simplify right side
    145,004.20x = 11,203,595,558.94
  5. Step 5: Solve for x
    x = 11,203,595,558.94/145,004.20
  6. Step 6: Final answer
    x = 77,263.94

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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.