Home / 148,072.80-204,338.64-84,408.48

Finding the Fourth Proportional to 148,072.80, 204,338.64 and 84,408.48

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Solution

The fourth proportional to 148,072.80, 204,338.64 and 84,408.48 is: 116,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,072.80 : 204,338.64 = 84,408.48 : x
  2. Step 2: Convert to fraction form
    148,072.80/204,338.64 = 84,408.48/x
  3. Step 3: Cross multiply
    148,072.80x = 204,338.64 × 84,408.48
  4. Step 4: Simplify right side
    148,072.80x = 17,247,914,007.67
  5. Step 5: Solve for x
    x = 17,247,914,007.67/148,072.80
  6. Step 6: Final answer
    x = 116,482.66

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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.