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Finding the Fourth Proportional to 169,154.58, 253,701.20 and 67,948.56

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Solution

The fourth proportional to 169,154.58, 253,701.20 and 67,948.56 is: 101,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,154.58 : 253,701.20 = 67,948.56 : x
  2. Step 2: Convert to fraction form
    169,154.58/253,701.20 = 67,948.56/x
  3. Step 3: Cross multiply
    169,154.58x = 253,701.20 × 67,948.56
  4. Step 4: Simplify right side
    169,154.58x = 17,238,631,210.27
  5. Step 5: Solve for x
    x = 17,238,631,210.27/169,154.58
  6. Step 6: Final answer
    x = 101,910.52

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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.