Home / 124,865.44-172,300.20-73,879.72

Finding the Fourth Proportional to 124,865.44, 172,300.20 and 73,879.72

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Solution

The fourth proportional to 124,865.44, 172,300.20 and 73,879.72 is: 101,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,865.44 : 172,300.20 = 73,879.72 : x
  2. Step 2: Convert to fraction form
    124,865.44/172,300.20 = 73,879.72/x
  3. Step 3: Cross multiply
    124,865.44x = 172,300.20 × 73,879.72
  4. Step 4: Simplify right side
    124,865.44x = 12,729,490,531.94
  5. Step 5: Solve for x
    x = 12,729,490,531.94/124,865.44
  6. Step 6: Final answer
    x = 101,945.67

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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.