Home / 228,766.64-315,709.56-131,934.47

Finding the Fourth Proportional to 228,766.64, 315,709.56 and 131,934.47

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Solution

The fourth proportional to 228,766.64, 315,709.56 and 131,934.47 is: 182,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,766.64 : 315,709.56 = 131,934.47 : x
  2. Step 2: Convert to fraction form
    228,766.64/315,709.56 = 131,934.47/x
  3. Step 3: Cross multiply
    228,766.64x = 315,709.56 × 131,934.47
  4. Step 4: Simplify right side
    228,766.64x = 41,652,971,893.99
  5. Step 5: Solve for x
    x = 41,652,971,893.99/228,766.64
  6. Step 6: Final answer
    x = 182,076.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.