Home / 198,065.81-273,330.02-107,421.41

Finding the Fourth Proportional to 198,065.81, 273,330.02 and 107,421.41

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Solution

The fourth proportional to 198,065.81, 273,330.02 and 107,421.41 is: 148,241.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,065.81 : 273,330.02 = 107,421.41 : x
  2. Step 2: Convert to fraction form
    198,065.81/273,330.02 = 107,421.41/x
  3. Step 3: Cross multiply
    198,065.81x = 273,330.02 × 107,421.41
  4. Step 4: Simplify right side
    198,065.81x = 29,361,494,239.97
  5. Step 5: Solve for x
    x = 29,361,494,239.97/198,065.81
  6. Step 6: Final answer
    x = 148,241.11

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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.