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Finding the Fourth Proportional to 151,737.40, 227,745.88 and 76,910.61

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Solution

The fourth proportional to 151,737.40, 227,745.88 and 76,910.61 is: 115,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,737.40 : 227,745.88 = 76,910.61 : x
  2. Step 2: Convert to fraction form
    151,737.40/227,745.88 = 76,910.61/x
  3. Step 3: Cross multiply
    151,737.40x = 227,745.88 × 76,910.61
  4. Step 4: Simplify right side
    151,737.40x = 17,516,075,217.56
  5. Step 5: Solve for x
    x = 17,516,075,217.56/151,737.40
  6. Step 6: Final answer
    x = 115,436.77

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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.