Home / 256,078.53-383,927.58-122,831.91

Finding the Fourth Proportional to 256,078.53, 383,927.58 and 122,831.91

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Solution

The fourth proportional to 256,078.53, 383,927.58 and 122,831.91 is: 184,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,078.53 : 383,927.58 = 122,831.91 : x
  2. Step 2: Convert to fraction form
    256,078.53/383,927.58 = 122,831.91/x
  3. Step 3: Cross multiply
    256,078.53x = 383,927.58 × 122,831.91
  4. Step 4: Simplify right side
    256,078.53x = 47,158,557,953.08
  5. Step 5: Solve for x
    x = 47,158,557,953.08/256,078.53
  6. Step 6: Final answer
    x = 184,156.63

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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.