Home / 130,622.80-195,951.66-51,718.57

Finding the Fourth Proportional to 130,622.80, 195,951.66 and 51,718.57

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Solution

The fourth proportional to 130,622.80, 195,951.66 and 51,718.57 is: 77,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,622.80 : 195,951.66 = 51,718.57 : x
  2. Step 2: Convert to fraction form
    130,622.80/195,951.66 = 51,718.57/x
  3. Step 3: Cross multiply
    130,622.80x = 195,951.66 × 51,718.57
  4. Step 4: Simplify right side
    130,622.80x = 10,134,339,644.33
  5. Step 5: Solve for x
    x = 10,134,339,644.33/130,622.80
  6. Step 6: Final answer
    x = 77,584.77

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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.