Home / 198,259.01-273,598.07-107,615.05

Finding the Fourth Proportional to 198,259.01, 273,598.07 and 107,615.05

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Solution

The fourth proportional to 198,259.01, 273,598.07 and 107,615.05 is: 148,509.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,259.01 : 273,598.07 = 107,615.05 : x
  2. Step 2: Convert to fraction form
    198,259.01/273,598.07 = 107,615.05/x
  3. Step 3: Cross multiply
    198,259.01x = 273,598.07 × 107,615.05
  4. Step 4: Simplify right side
    198,259.01x = 29,443,269,982.95
  5. Step 5: Solve for x
    x = 29,443,269,982.95/198,259.01
  6. Step 6: Final answer
    x = 148,509.11

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1.5x scale

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.