Home / 131,629.80-197,444.70-117,851.70

Finding the Fourth Proportional to 131,629.80, 197,444.70 and 117,851.70

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Solution

The fourth proportional to 131,629.80, 197,444.70 and 117,851.70 is: 176,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,629.80 : 197,444.70 = 117,851.70 : x
  2. Step 2: Convert to fraction form
    131,629.80/197,444.70 = 117,851.70/x
  3. Step 3: Cross multiply
    131,629.80x = 197,444.70 × 117,851.70
  4. Step 4: Simplify right side
    131,629.80x = 23,269,193,550.99
  5. Step 5: Solve for x
    x = 23,269,193,550.99/131,629.80
  6. Step 6: Final answer
    x = 176,777.55

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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.