Home / 99,229.73-136,936.47-53,907.35

Finding the Fourth Proportional to 99,229.73, 136,936.47 and 53,907.35

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Solution

The fourth proportional to 99,229.73, 136,936.47 and 53,907.35 is: 74,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,229.73 : 136,936.47 = 53,907.35 : x
  2. Step 2: Convert to fraction form
    99,229.73/136,936.47 = 53,907.35/x
  3. Step 3: Cross multiply
    99,229.73x = 136,936.47 × 53,907.35
  4. Step 4: Simplify right side
    99,229.73x = 7,381,881,531.37
  5. Step 5: Solve for x
    x = 7,381,881,531.37/99,229.73
  6. Step 6: Final answer
    x = 74,391.84

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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.