Home / 193,316.50-266,776.22-107,288.48

Finding the Fourth Proportional to 193,316.50, 266,776.22 and 107,288.48

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Solution

The fourth proportional to 193,316.50, 266,776.22 and 107,288.48 is: 148,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,316.50 : 266,776.22 = 107,288.48 : x
  2. Step 2: Convert to fraction form
    193,316.50/266,776.22 = 107,288.48/x
  3. Step 3: Cross multiply
    193,316.50x = 266,776.22 × 107,288.48
  4. Step 4: Simplify right side
    193,316.50x = 28,622,015,143.95
  5. Step 5: Solve for x
    x = 28,622,015,143.95/193,316.50
  6. Step 6: Final answer
    x = 148,057.80

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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.