Home / 252,647.08-379,009.50-84,109.60

Finding the Fourth Proportional to 252,647.08, 379,009.50 and 84,109.60

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Solution

The fourth proportional to 252,647.08, 379,009.50 and 84,109.60 is: 126,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,647.08 : 379,009.50 = 84,109.60 : x
  2. Step 2: Convert to fraction form
    252,647.08/379,009.50 = 84,109.60/x
  3. Step 3: Cross multiply
    252,647.08x = 379,009.50 × 84,109.60
  4. Step 4: Simplify right side
    252,647.08x = 31,878,337,441.20
  5. Step 5: Solve for x
    x = 31,878,337,441.20/252,647.08
  6. Step 6: Final answer
    x = 126,177.34

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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.