Home / 173,129.40-259,499.70-73,272.60

Finding the Fourth Proportional to 173,129.40, 259,499.70 and 73,272.60

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Solution

The fourth proportional to 173,129.40, 259,499.70 and 73,272.60 is: 109,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,129.40 : 259,499.70 = 73,272.60 : x
  2. Step 2: Convert to fraction form
    173,129.40/259,499.70 = 73,272.60/x
  3. Step 3: Cross multiply
    173,129.40x = 259,499.70 × 73,272.60
  4. Step 4: Simplify right side
    173,129.40x = 19,014,217,718.22
  5. Step 5: Solve for x
    x = 19,014,217,718.22/173,129.40
  6. Step 6: Final answer
    x = 109,826.63

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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.