Home / 145,203.09-217,796.80-45,351.82

Finding the Fourth Proportional to 145,203.09, 217,796.80 and 45,351.82

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Solution

The fourth proportional to 145,203.09, 217,796.80 and 45,351.82 is: 68,025.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,203.09 : 217,796.80 = 45,351.82 : x
  2. Step 2: Convert to fraction form
    145,203.09/217,796.80 = 45,351.82/x
  3. Step 3: Cross multiply
    145,203.09x = 217,796.80 × 45,351.82
  4. Step 4: Simplify right side
    145,203.09x = 9,877,481,270.18
  5. Step 5: Solve for x
    x = 9,877,481,270.18/145,203.09
  6. Step 6: Final answer
    x = 68,025.28

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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.