Home / 143,548.12-198,094.96-79,884.84

Finding the Fourth Proportional to 143,548.12, 198,094.96 and 79,884.84

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Solution

The fourth proportional to 143,548.12, 198,094.96 and 79,884.84 is: 110,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,548.12 : 198,094.96 = 79,884.84 : x
  2. Step 2: Convert to fraction form
    143,548.12/198,094.96 = 79,884.84/x
  3. Step 3: Cross multiply
    143,548.12x = 198,094.96 × 79,884.84
  4. Step 4: Simplify right side
    143,548.12x = 15,824,784,184.41
  5. Step 5: Solve for x
    x = 15,824,784,184.41/143,548.12
  6. Step 6: Final answer
    x = 110,240.27

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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.