Home / 148,520.70-204,853.32-91,162.98

Finding the Fourth Proportional to 148,520.70, 204,853.32 and 91,162.98

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Solution

The fourth proportional to 148,520.70, 204,853.32 and 91,162.98 is: 125,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,520.70 : 204,853.32 = 91,162.98 : x
  2. Step 2: Convert to fraction form
    148,520.70/204,853.32 = 91,162.98/x
  3. Step 3: Cross multiply
    148,520.70x = 204,853.32 × 91,162.98
  4. Step 4: Simplify right side
    148,520.70x = 18,675,039,114.09
  5. Step 5: Solve for x
    x = 18,675,039,114.09/148,520.70
  6. Step 6: Final answer
    x = 125,740.31

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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.