Home / 201,176.40-301,327.20-122,152.80

Finding the Fourth Proportional to 201,176.40, 301,327.20 and 122,152.80

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Solution

The fourth proportional to 201,176.40, 301,327.20 and 122,152.80 is: 182,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,176.40 : 301,327.20 = 122,152.80 : x
  2. Step 2: Convert to fraction form
    201,176.40/301,327.20 = 122,152.80/x
  3. Step 3: Cross multiply
    201,176.40x = 301,327.20 × 122,152.80
  4. Step 4: Simplify right side
    201,176.40x = 36,807,961,196.16
  5. Step 5: Solve for x
    x = 36,807,961,196.16/201,176.40
  6. Step 6: Final answer
    x = 182,963.61

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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.