Home / 94,704.60-142,172.10-71,146.20

Finding the Fourth Proportional to 94,704.60, 142,172.10 and 71,146.20

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Solution

The fourth proportional to 94,704.60, 142,172.10 and 71,146.20 is: 106,805.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,704.60 : 142,172.10 = 71,146.20 : x
  2. Step 2: Convert to fraction form
    94,704.60/142,172.10 = 71,146.20/x
  3. Step 3: Cross multiply
    94,704.60x = 142,172.10 × 71,146.20
  4. Step 4: Simplify right side
    94,704.60x = 10,115,004,661.02
  5. Step 5: Solve for x
    x = 10,115,004,661.02/94,704.60
  6. Step 6: Final answer
    x = 106,805.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.