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Finding the Fourth Proportional to 126,950.96, 190,191 and 63,696.80

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Solution

The fourth proportional to 126,950.96, 190,191 and 63,696.80 is: 95,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,950.96 : 190,191 = 63,696.80 : x
  2. Step 2: Convert to fraction form
    126,950.96/190,191 = 63,696.80/x
  3. Step 3: Cross multiply
    126,950.96x = 190,191 × 63,696.80
  4. Step 4: Simplify right side
    126,950.96x = 12,114,558,088.80
  5. Step 5: Solve for x
    x = 12,114,558,088.80/126,950.96
  6. Step 6: Final answer
    x = 95,427.07

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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.