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Finding the Fourth Proportional to 79,194.70, 118,807.44 and 25,901.56

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Solution

The fourth proportional to 79,194.70, 118,807.44 and 25,901.56 is: 38,857.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,194.70 : 118,807.44 = 25,901.56 : x
  2. Step 2: Convert to fraction form
    79,194.70/118,807.44 = 25,901.56/x
  3. Step 3: Cross multiply
    79,194.70x = 118,807.44 × 25,901.56
  4. Step 4: Simplify right side
    79,194.70x = 3,077,298,035.61
  5. Step 5: Solve for x
    x = 3,077,298,035.61/79,194.70
  6. Step 6: Final answer
    x = 38,857.37

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1.5x scale

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.