Home / 134,784.45-202,340.70-68,190.30

Finding the Fourth Proportional to 134,784.45, 202,340.70 and 68,190.30

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Solution

The fourth proportional to 134,784.45, 202,340.70 and 68,190.30 is: 102,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,784.45 : 202,340.70 = 68,190.30 : x
  2. Step 2: Convert to fraction form
    134,784.45/202,340.70 = 68,190.30/x
  3. Step 3: Cross multiply
    134,784.45x = 202,340.70 × 68,190.30
  4. Step 4: Simplify right side
    134,784.45x = 13,797,673,035.21
  5. Step 5: Solve for x
    x = 13,797,673,035.21/134,784.45
  6. Step 6: Final answer
    x = 102,368.43

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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.