Home / 131,784.00-197,674.26-31,945.07

Finding the Fourth Proportional to 131,784.00, 197,674.26 and 31,945.07

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Solution

The fourth proportional to 131,784.00, 197,674.26 and 31,945.07 is: 47,917.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,784.00 : 197,674.26 = 31,945.07 : x
  2. Step 2: Convert to fraction form
    131,784.00/197,674.26 = 31,945.07/x
  3. Step 3: Cross multiply
    131,784.00x = 197,674.26 × 31,945.07
  4. Step 4: Simplify right side
    131,784.00x = 6,314,718,734.31
  5. Step 5: Solve for x
    x = 6,314,718,734.31/131,784.00
  6. Step 6: Final answer
    x = 47,917.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.