Home / 136,827.45-188,746.07-80,227.89

Finding the Fourth Proportional to 136,827.45, 188,746.07 and 80,227.89

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Solution

The fourth proportional to 136,827.45, 188,746.07 and 80,227.89 is: 110,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,827.45 : 188,746.07 = 80,227.89 : x
  2. Step 2: Convert to fraction form
    136,827.45/188,746.07 = 80,227.89/x
  3. Step 3: Cross multiply
    136,827.45x = 188,746.07 × 80,227.89
  4. Step 4: Simplify right side
    136,827.45x = 15,142,698,540.75
  5. Step 5: Solve for x
    x = 15,142,698,540.75/136,827.45
  6. Step 6: Final answer
    x = 110,670.03

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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.