Home / 118,998.36-164,270.43-76,034.34

Finding the Fourth Proportional to 118,998.36, 164,270.43 and 76,034.34

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Solution

The fourth proportional to 118,998.36, 164,270.43 and 76,034.34 is: 104,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,998.36 : 164,270.43 = 76,034.34 : x
  2. Step 2: Convert to fraction form
    118,998.36/164,270.43 = 76,034.34/x
  3. Step 3: Cross multiply
    118,998.36x = 164,270.43 × 76,034.34
  4. Step 4: Simplify right side
    118,998.36x = 12,490,193,726.57
  5. Step 5: Solve for x
    x = 12,490,193,726.57/118,998.36
  6. Step 6: Final answer
    x = 104,961.06

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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.