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Finding the Fourth Proportional to 109,796, 151,519.20 and 59,495.36

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Solution

The fourth proportional to 109,796, 151,519.20 and 59,495.36 is: 82,103.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,796 : 151,519.20 = 59,495.36 : x
  2. Step 2: Convert to fraction form
    109,796/151,519.20 = 59,495.36/x
  3. Step 3: Cross multiply
    109,796x = 151,519.20 × 59,495.36
  4. Step 4: Simplify right side
    109,796x = 9,014,689,350.91
  5. Step 5: Solve for x
    x = 9,014,689,350.91/109,796
  6. Step 6: Final answer
    x = 82,103.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.