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Finding the Fourth Proportional to 183,879.29, 253,779 and 103,313.05

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Solution

The fourth proportional to 183,879.29, 253,779 and 103,313.05 is: 142,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,879.29 : 253,779 = 103,313.05 : x
  2. Step 2: Convert to fraction form
    183,879.29/253,779 = 103,313.05/x
  3. Step 3: Cross multiply
    183,879.29x = 253,779 × 103,313.05
  4. Step 4: Simplify right side
    183,879.29x = 26,218,682,515.95
  5. Step 5: Solve for x
    x = 26,218,682,515.95/183,879.29
  6. Step 6: Final answer
    x = 142,586.38

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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.