Home / 122,844.48-184,228.32-39,721.28

Finding the Fourth Proportional to 122,844.48, 184,228.32 and 39,721.28

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Solution

The fourth proportional to 122,844.48, 184,228.32 and 39,721.28 is: 59,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,844.48 : 184,228.32 = 39,721.28 : x
  2. Step 2: Convert to fraction form
    122,844.48/184,228.32 = 39,721.28/x
  3. Step 3: Cross multiply
    122,844.48x = 184,228.32 × 39,721.28
  4. Step 4: Simplify right side
    122,844.48x = 7,317,784,682.65
  5. Step 5: Solve for x
    x = 7,317,784,682.65/122,844.48
  6. Step 6: Final answer
    x = 59,569.50

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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.