Home / 248,003.04-371,775.06-90,189.12

Finding the Fourth Proportional to 248,003.04, 371,775.06 and 90,189.12

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Solution

The fourth proportional to 248,003.04, 371,775.06 and 90,189.12 is: 135,200.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,003.04 : 371,775.06 = 90,189.12 : x
  2. Step 2: Convert to fraction form
    248,003.04/371,775.06 = 90,189.12/x
  3. Step 3: Cross multiply
    248,003.04x = 371,775.06 × 90,189.12
  4. Step 4: Simplify right side
    248,003.04x = 33,530,065,499.35
  5. Step 5: Solve for x
    x = 33,530,065,499.35/248,003.04
  6. Step 6: Final answer
    x = 135,200.22

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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.