Home / 122,717.51-184,078.56-38,475.80

Finding the Fourth Proportional to 122,717.51, 184,078.56 and 38,475.80

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Solution

The fourth proportional to 122,717.51, 184,078.56 and 38,475.80 is: 57,714.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,717.51 : 184,078.56 = 38,475.80 : x
  2. Step 2: Convert to fraction form
    122,717.51/184,078.56 = 38,475.80/x
  3. Step 3: Cross multiply
    122,717.51x = 184,078.56 × 38,475.80
  4. Step 4: Simplify right side
    122,717.51x = 7,082,569,858.85
  5. Step 5: Solve for x
    x = 7,082,569,858.85/122,717.51
  6. Step 6: Final answer
    x = 57,714.42

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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.