Home / 133,786.60-184,750.38-86,122.64

Finding the Fourth Proportional to 133,786.60, 184,750.38 and 86,122.64

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Solution

The fourth proportional to 133,786.60, 184,750.38 and 86,122.64 is: 118,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,786.60 : 184,750.38 = 86,122.64 : x
  2. Step 2: Convert to fraction form
    133,786.60/184,750.38 = 86,122.64/x
  3. Step 3: Cross multiply
    133,786.60x = 184,750.38 × 86,122.64
  4. Step 4: Simplify right side
    133,786.60x = 15,911,190,466.60
  5. Step 5: Solve for x
    x = 15,911,190,466.60/133,786.60
  6. Step 6: Final answer
    x = 118,929.63

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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.