Home / 248,421.82-372,638.85-90,650.22

Finding the Fourth Proportional to 248,421.82, 372,638.85 and 90,650.22

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Solution

The fourth proportional to 248,421.82, 372,638.85 and 90,650.22 is: 135,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,421.82 : 372,638.85 = 90,650.22 : x
  2. Step 2: Convert to fraction form
    248,421.82/372,638.85 = 90,650.22/x
  3. Step 3: Cross multiply
    248,421.82x = 372,638.85 × 90,650.22
  4. Step 4: Simplify right side
    248,421.82x = 33,779,793,733.05
  5. Step 5: Solve for x
    x = 33,779,793,733.05/248,421.82
  6. Step 6: Final answer
    x = 135,977.56

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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.