Home / 148,571.38-205,029.12-84,911.32

Finding the Fourth Proportional to 148,571.38, 205,029.12 and 84,911.32

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Solution

The fourth proportional to 148,571.38, 205,029.12 and 84,911.32 is: 117,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,571.38 : 205,029.12 = 84,911.32 : x
  2. Step 2: Convert to fraction form
    148,571.38/205,029.12 = 84,911.32/x
  3. Step 3: Cross multiply
    148,571.38x = 205,029.12 × 84,911.32
  4. Step 4: Simplify right side
    148,571.38x = 17,409,293,217.64
  5. Step 5: Solve for x
    x = 17,409,293,217.64/148,571.38
  6. Step 6: Final answer
    x = 117,177.97

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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.