Home / 134,736.60-202,122.90-45,967.80

Finding the Fourth Proportional to 134,736.60, 202,122.90 and 45,967.80

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Solution

The fourth proportional to 134,736.60, 202,122.90 and 45,967.80 is: 68,957.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,736.60 : 202,122.90 = 45,967.80 : x
  2. Step 2: Convert to fraction form
    134,736.60/202,122.90 = 45,967.80/x
  3. Step 3: Cross multiply
    134,736.60x = 202,122.90 × 45,967.80
  4. Step 4: Simplify right side
    134,736.60x = 9,291,145,042.62
  5. Step 5: Solve for x
    x = 9,291,145,042.62/134,736.60
  6. Step 6: Final answer
    x = 68,957.84

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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.