Home / 135,473.34-203,334.76-68,961

Finding the Fourth Proportional to 135,473.34, 203,334.76 and 68,961

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Solution

The fourth proportional to 135,473.34, 203,334.76 and 68,961 is: 103,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,473.34 : 203,334.76 = 68,961 : x
  2. Step 2: Convert to fraction form
    135,473.34/203,334.76 = 68,961/x
  3. Step 3: Cross multiply
    135,473.34x = 203,334.76 × 68,961
  4. Step 4: Simplify right side
    135,473.34x = 14,022,168,384.36
  5. Step 5: Solve for x
    x = 14,022,168,384.36/135,473.34
  6. Step 6: Final answer
    x = 103,505.00

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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.