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Finding the Fourth Proportional to 155,952.30, 234,037.80 and 67,269.45

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Solution

The fourth proportional to 155,952.30, 234,037.80 and 67,269.45 is: 100,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,952.30 : 234,037.80 = 67,269.45 : x
  2. Step 2: Convert to fraction form
    155,952.30/234,037.80 = 67,269.45/x
  3. Step 3: Cross multiply
    155,952.30x = 234,037.80 × 67,269.45
  4. Step 4: Simplify right side
    155,952.30x = 15,743,594,085.21
  5. Step 5: Solve for x
    x = 15,743,594,085.21/155,952.30
  6. Step 6: Final answer
    x = 100,951.34

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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.