Home / 145,080.48-217,489.41-51,564.36

Finding the Fourth Proportional to 145,080.48, 217,489.41 and 51,564.36

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Solution

The fourth proportional to 145,080.48, 217,489.41 and 51,564.36 is: 77,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,080.48 : 217,489.41 = 51,564.36 : x
  2. Step 2: Convert to fraction form
    145,080.48/217,489.41 = 51,564.36/x
  3. Step 3: Cross multiply
    145,080.48x = 217,489.41 × 51,564.36
  4. Step 4: Simplify right side
    145,080.48x = 11,214,702,233.43
  5. Step 5: Solve for x
    x = 11,214,702,233.43/145,080.48
  6. Step 6: Final answer
    x = 77,299.87

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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.