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Finding the Fourth Proportional to 117,459.60, 176,033.40 and 64,014.36

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Solution

The fourth proportional to 117,459.60, 176,033.40 and 64,014.36 is: 95,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,459.60 : 176,033.40 = 64,014.36 : x
  2. Step 2: Convert to fraction form
    117,459.60/176,033.40 = 64,014.36/x
  3. Step 3: Cross multiply
    117,459.60x = 176,033.40 × 64,014.36
  4. Step 4: Simplify right side
    117,459.60x = 11,268,665,439.62
  5. Step 5: Solve for x
    x = 11,268,665,439.62/117,459.60
  6. Step 6: Final answer
    x = 95,936.52

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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.