Home / 136,063.76-187,770.24-74,812.54

Finding the Fourth Proportional to 136,063.76, 187,770.24 and 74,812.54

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Solution

The fourth proportional to 136,063.76, 187,770.24 and 74,812.54 is: 103,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,063.76 : 187,770.24 = 74,812.54 : x
  2. Step 2: Convert to fraction form
    136,063.76/187,770.24 = 74,812.54/x
  3. Step 3: Cross multiply
    136,063.76x = 187,770.24 × 74,812.54
  4. Step 4: Simplify right side
    136,063.76x = 14,047,568,873.20
  5. Step 5: Solve for x
    x = 14,047,568,873.20/136,063.76
  6. Step 6: Final answer
    x = 103,242.54

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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.