Home / 182,130.70-273,196.05-128,986.60

Finding the Fourth Proportional to 182,130.70, 273,196.05 and 128,986.60

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Solution

The fourth proportional to 182,130.70, 273,196.05 and 128,986.60 is: 193,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,130.70 : 273,196.05 = 128,986.60 : x
  2. Step 2: Convert to fraction form
    182,130.70/273,196.05 = 128,986.60/x
  3. Step 3: Cross multiply
    182,130.70x = 273,196.05 × 128,986.60
  4. Step 4: Simplify right side
    182,130.70x = 35,238,629,622.93
  5. Step 5: Solve for x
    x = 35,238,629,622.93/182,130.70
  6. Step 6: Final answer
    x = 193,479.90

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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.