Home / 173,109.48-259,638.22-54,765.44

Finding the Fourth Proportional to 173,109.48, 259,638.22 and 54,765.44

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Solution

The fourth proportional to 173,109.48, 259,638.22 and 54,765.44 is: 82,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,109.48 : 259,638.22 = 54,765.44 : x
  2. Step 2: Convert to fraction form
    173,109.48/259,638.22 = 54,765.44/x
  3. Step 3: Cross multiply
    173,109.48x = 259,638.22 × 54,765.44
  4. Step 4: Simplify right side
    173,109.48x = 14,219,201,359.12
  5. Step 5: Solve for x
    x = 14,219,201,359.12/173,109.48
  6. Step 6: Final answer
    x = 82,139.93

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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.