Home / 203,775.26-281,152.96-127,372.12

Finding the Fourth Proportional to 203,775.26, 281,152.96 and 127,372.12

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Solution

The fourth proportional to 203,775.26, 281,152.96 and 127,372.12 is: 175,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,775.26 : 281,152.96 = 127,372.12 : x
  2. Step 2: Convert to fraction form
    203,775.26/281,152.96 = 127,372.12/x
  3. Step 3: Cross multiply
    203,775.26x = 281,152.96 × 127,372.12
  4. Step 4: Simplify right side
    203,775.26x = 35,811,047,538.16
  5. Step 5: Solve for x
    x = 35,811,047,538.16/203,775.26
  6. Step 6: Final answer
    x = 175,737.96

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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.