Home / 134,844.20-202,266.30-72,636.20

Finding the Fourth Proportional to 134,844.20, 202,266.30 and 72,636.20

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Solution

The fourth proportional to 134,844.20, 202,266.30 and 72,636.20 is: 108,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,844.20 : 202,266.30 = 72,636.20 : x
  2. Step 2: Convert to fraction form
    134,844.20/202,266.30 = 72,636.20/x
  3. Step 3: Cross multiply
    134,844.20x = 202,266.30 × 72,636.20
  4. Step 4: Simplify right side
    134,844.20x = 14,691,855,420.06
  5. Step 5: Solve for x
    x = 14,691,855,420.06/134,844.20
  6. Step 6: Final answer
    x = 108,954.30

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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.