Home / 99,092.51-136,738.63-58,799.33

Finding the Fourth Proportional to 99,092.51, 136,738.63 and 58,799.33

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Solution

The fourth proportional to 99,092.51, 136,738.63 and 58,799.33 is: 81,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,092.51 : 136,738.63 = 58,799.33 : x
  2. Step 2: Convert to fraction form
    99,092.51/136,738.63 = 58,799.33/x
  3. Step 3: Cross multiply
    99,092.51x = 136,738.63 × 58,799.33
  4. Step 4: Simplify right side
    99,092.51x = 8,040,139,829.12
  5. Step 5: Solve for x
    x = 8,040,139,829.12/99,092.51
  6. Step 6: Final answer
    x = 81,137.71

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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.