Home / 131,941.80-197,912.70-117,426.60

Finding the Fourth Proportional to 131,941.80, 197,912.70 and 117,426.60

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Solution

The fourth proportional to 131,941.80, 197,912.70 and 117,426.60 is: 176,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,941.80 : 197,912.70 = 117,426.60 : x
  2. Step 2: Convert to fraction form
    131,941.80/197,912.70 = 117,426.60/x
  3. Step 3: Cross multiply
    131,941.80x = 197,912.70 × 117,426.60
  4. Step 4: Simplify right side
    131,941.80x = 23,240,215,457.82
  5. Step 5: Solve for x
    x = 23,240,215,457.82/131,941.80
  6. Step 6: Final answer
    x = 176,139.90

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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.