Home / 147,090.86-220,644.63-41,918.03

Finding the Fourth Proportional to 147,090.86, 220,644.63 and 41,918.03

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Solution

The fourth proportional to 147,090.86, 220,644.63 and 41,918.03 is: 62,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,090.86 : 220,644.63 = 41,918.03 : x
  2. Step 2: Convert to fraction form
    147,090.86/220,644.63 = 41,918.03/x
  3. Step 3: Cross multiply
    147,090.86x = 220,644.63 × 41,918.03
  4. Step 4: Simplify right side
    147,090.86x = 9,248,987,116.46
  5. Step 5: Solve for x
    x = 9,248,987,116.46/147,090.86
  6. Step 6: Final answer
    x = 62,879.42

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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.