Home / 252,911.37-379,392.59-82,125.93

Finding the Fourth Proportional to 252,911.37, 379,392.59 and 82,125.93

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Solution

The fourth proportional to 252,911.37, 379,392.59 and 82,125.93 is: 123,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,911.37 : 379,392.59 = 82,125.93 : x
  2. Step 2: Convert to fraction form
    252,911.37/379,392.59 = 82,125.93/x
  3. Step 3: Cross multiply
    252,911.37x = 379,392.59 × 82,125.93
  4. Step 4: Simplify right side
    252,911.37x = 31,157,968,878.23
  5. Step 5: Solve for x
    x = 31,157,968,878.23/252,911.37
  6. Step 6: Final answer
    x = 123,197.19

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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.