Home / 236,747.74-355,121.60-86,923.20

Finding the Fourth Proportional to 236,747.74, 355,121.60 and 86,923.20

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Solution

The fourth proportional to 236,747.74, 355,121.60 and 86,923.20 is: 130,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,747.74 : 355,121.60 = 86,923.20 : x
  2. Step 2: Convert to fraction form
    236,747.74/355,121.60 = 86,923.20/x
  3. Step 3: Cross multiply
    236,747.74x = 355,121.60 × 86,923.20
  4. Step 4: Simplify right side
    236,747.74x = 30,868,305,861.12
  5. Step 5: Solve for x
    x = 30,868,305,861.12/236,747.74
  6. Step 6: Final answer
    x = 130,384.80

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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.