Home / 134,289.51-185,257.40-80,481.11

Finding the Fourth Proportional to 134,289.51, 185,257.40 and 80,481.11

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Solution

The fourth proportional to 134,289.51, 185,257.40 and 80,481.11 is: 111,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,289.51 : 185,257.40 = 80,481.11 : x
  2. Step 2: Convert to fraction form
    134,289.51/185,257.40 = 80,481.11/x
  3. Step 3: Cross multiply
    134,289.51x = 185,257.40 × 80,481.11
  4. Step 4: Simplify right side
    134,289.51x = 14,909,721,852.06
  5. Step 5: Solve for x
    x = 14,909,721,852.06/134,289.51
  6. Step 6: Final answer
    x = 111,026.71

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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.