Home / 98,255.24-135,579.30-55,237.64

Finding the Fourth Proportional to 98,255.24, 135,579.30 and 55,237.64

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Solution

The fourth proportional to 98,255.24, 135,579.30 and 55,237.64 is: 76,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,255.24 : 135,579.30 = 55,237.64 : x
  2. Step 2: Convert to fraction form
    98,255.24/135,579.30 = 55,237.64/x
  3. Step 3: Cross multiply
    98,255.24x = 135,579.30 × 55,237.64
  4. Step 4: Simplify right side
    98,255.24x = 7,489,080,564.85
  5. Step 5: Solve for x
    x = 7,489,080,564.85/98,255.24
  6. Step 6: Final answer
    x = 76,220.67

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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.