Home / 141,804.41-195,681.20-81,380.03

Finding the Fourth Proportional to 141,804.41, 195,681.20 and 81,380.03

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Solution

The fourth proportional to 141,804.41, 195,681.20 and 81,380.03 is: 112,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804.41 : 195,681.20 = 81,380.03 : x
  2. Step 2: Convert to fraction form
    141,804.41/195,681.20 = 81,380.03/x
  3. Step 3: Cross multiply
    141,804.41x = 195,681.20 × 81,380.03
  4. Step 4: Simplify right side
    141,804.41x = 15,924,540,541.13
  5. Step 5: Solve for x
    x = 15,924,540,541.13/141,804.41
  6. Step 6: Final answer
    x = 112,299.34

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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.