Home / 198,259.35-273,598.14-107,615.31

Finding the Fourth Proportional to 198,259.35, 273,598.14 and 107,615.31

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Solution

The fourth proportional to 198,259.35, 273,598.14 and 107,615.31 is: 148,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,259.35 : 273,598.14 = 107,615.31 : x
  2. Step 2: Convert to fraction form
    198,259.35/273,598.14 = 107,615.31/x
  3. Step 3: Cross multiply
    198,259.35x = 273,598.14 × 107,615.31
  4. Step 4: Simplify right side
    198,259.35x = 29,443,348,651.52
  5. Step 5: Solve for x
    x = 29,443,348,651.52/198,259.35
  6. Step 6: Final answer
    x = 148,509.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.