Home / 138,656.00-207,998.63-43,899.27

Finding the Fourth Proportional to 138,656.00, 207,998.63 and 43,899.27

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Solution

The fourth proportional to 138,656.00, 207,998.63 and 43,899.27 is: 65,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,656.00 : 207,998.63 = 43,899.27 : x
  2. Step 2: Convert to fraction form
    138,656.00/207,998.63 = 43,899.27/x
  3. Step 3: Cross multiply
    138,656.00x = 207,998.63 × 43,899.27
  4. Step 4: Simplify right side
    138,656.00x = 9,130,987,798.50
  5. Step 5: Solve for x
    x = 9,130,987,798.50/138,656.00
  6. Step 6: Final answer
    x = 65,853.54

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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.