Home / 134,634.20-202,388.70-115,388.60

Finding the Fourth Proportional to 134,634.20, 202,388.70 and 115,388.60

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Solution

The fourth proportional to 134,634.20, 202,388.70 and 115,388.60 is: 173,457.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,634.20 : 202,388.70 = 115,388.60 : x
  2. Step 2: Convert to fraction form
    134,634.20/202,388.70 = 115,388.60/x
  3. Step 3: Cross multiply
    134,634.20x = 202,388.70 × 115,388.60
  4. Step 4: Simplify right side
    134,634.20x = 23,353,348,748.82
  5. Step 5: Solve for x
    x = 23,353,348,748.82/134,634.20
  6. Step 6: Final answer
    x = 173,457.77

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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.