Home / 90,737.46-136,105.89-23,269.43

Finding the Fourth Proportional to 90,737.46, 136,105.89 and 23,269.43

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Solution

The fourth proportional to 90,737.46, 136,105.89 and 23,269.43 is: 34,904.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,737.46 : 136,105.89 = 23,269.43 : x
  2. Step 2: Convert to fraction form
    90,737.46/136,105.89 = 23,269.43/x
  3. Step 3: Cross multiply
    90,737.46x = 136,105.89 × 23,269.43
  4. Step 4: Simplify right side
    90,737.46x = 3,167,106,479.94
  5. Step 5: Solve for x
    x = 3,167,106,479.94/90,737.46
  6. Step 6: Final answer
    x = 34,904.07

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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.