Home / 145,203.50-217,813.46-51,709.26

Finding the Fourth Proportional to 145,203.50, 217,813.46 and 51,709.26

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Solution

The fourth proportional to 145,203.50, 217,813.46 and 51,709.26 is: 77,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,203.50 : 217,813.46 = 51,709.26 : x
  2. Step 2: Convert to fraction form
    145,203.50/217,813.46 = 51,709.26/x
  3. Step 3: Cross multiply
    145,203.50x = 217,813.46 × 51,709.26
  4. Step 4: Simplify right side
    145,203.50x = 11,262,972,834.64
  5. Step 5: Solve for x
    x = 11,262,972,834.64/145,203.50
  6. Step 6: Final answer
    x = 77,566.81

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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.