Home / 134,817.45-202,390.20-68,223.30

Finding the Fourth Proportional to 134,817.45, 202,390.20 and 68,223.30

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Solution

The fourth proportional to 134,817.45, 202,390.20 and 68,223.30 is: 102,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,817.45 : 202,390.20 = 68,223.30 : x
  2. Step 2: Convert to fraction form
    134,817.45/202,390.20 = 68,223.30/x
  3. Step 3: Cross multiply
    134,817.45x = 202,390.20 × 68,223.30
  4. Step 4: Simplify right side
    134,817.45x = 13,807,727,331.66
  5. Step 5: Solve for x
    x = 13,807,727,331.66/134,817.45
  6. Step 6: Final answer
    x = 102,417.95

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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.