Home / 134,409.80-201,561.60-50,123.72

Finding the Fourth Proportional to 134,409.80, 201,561.60 and 50,123.72

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Solution

The fourth proportional to 134,409.80, 201,561.60 and 50,123.72 is: 75,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,409.80 : 201,561.60 = 50,123.72 : x
  2. Step 2: Convert to fraction form
    134,409.80/201,561.60 = 50,123.72/x
  3. Step 3: Cross multiply
    134,409.80x = 201,561.60 × 50,123.72
  4. Step 4: Simplify right side
    134,409.80x = 10,103,017,201.15
  5. Step 5: Solve for x
    x = 10,103,017,201.15/134,409.80
  6. Step 6: Final answer
    x = 75,165.78

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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.