Home / 253,496.05-380,364.36-127,147.60

Finding the Fourth Proportional to 253,496.05, 380,364.36 and 127,147.60

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Solution

The fourth proportional to 253,496.05, 380,364.36 and 127,147.60 is: 190,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,496.05 : 380,364.36 = 127,147.60 : x
  2. Step 2: Convert to fraction form
    253,496.05/380,364.36 = 127,147.60/x
  3. Step 3: Cross multiply
    253,496.05x = 380,364.36 × 127,147.60
  4. Step 4: Simplify right side
    253,496.05x = 48,362,415,499.54
  5. Step 5: Solve for x
    x = 48,362,415,499.54/253,496.05
  6. Step 6: Final answer
    x = 190,781.73

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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.