Home / 148,362.75-204,740.60-81,293.31

Finding the Fourth Proportional to 148,362.75, 204,740.60 and 81,293.31

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Solution

The fourth proportional to 148,362.75, 204,740.60 and 81,293.31 is: 112,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,362.75 : 204,740.60 = 81,293.31 : x
  2. Step 2: Convert to fraction form
    148,362.75/204,740.60 = 81,293.31/x
  3. Step 3: Cross multiply
    148,362.75x = 204,740.60 × 81,293.31
  4. Step 4: Simplify right side
    148,362.75x = 16,644,040,658.92
  5. Step 5: Solve for x
    x = 16,644,040,658.92/148,362.75
  6. Step 6: Final answer
    x = 112,184.77

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1.5x scale

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.