Home / 134,843.31-202,389.20-68,330.57

Finding the Fourth Proportional to 134,843.31, 202,389.20 and 68,330.57

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Solution

The fourth proportional to 134,843.31, 202,389.20 and 68,330.57 is: 102,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,843.31 : 202,389.20 = 68,330.57 : x
  2. Step 2: Convert to fraction form
    134,843.31/202,389.20 = 68,330.57/x
  3. Step 3: Cross multiply
    134,843.31x = 202,389.20 × 68,330.57
  4. Step 4: Simplify right side
    134,843.31x = 13,829,368,300.48
  5. Step 5: Solve for x
    x = 13,829,368,300.48/134,843.31
  6. Step 6: Final answer
    x = 102,558.80

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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.