Home / 90,779.85-136,170.77-27,610.25

Finding the Fourth Proportional to 90,779.85, 136,170.77 and 27,610.25

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Solution

The fourth proportional to 90,779.85, 136,170.77 and 27,610.25 is: 41,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,779.85 : 136,170.77 = 27,610.25 : x
  2. Step 2: Convert to fraction form
    90,779.85/136,170.77 = 27,610.25/x
  3. Step 3: Cross multiply
    90,779.85x = 136,170.77 × 27,610.25
  4. Step 4: Simplify right side
    90,779.85x = 3,759,708,183.49
  5. Step 5: Solve for x
    x = 3,759,708,183.49/90,779.85
  6. Step 6: Final answer
    x = 41,415.67

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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.