Home / 104,366.46-144,128.03-72,183.54

Finding the Fourth Proportional to 104,366.46, 144,128.03 and 72,183.54

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Solution

The fourth proportional to 104,366.46, 144,128.03 and 72,183.54 is: 99,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,366.46 : 144,128.03 = 72,183.54 : x
  2. Step 2: Convert to fraction form
    104,366.46/144,128.03 = 72,183.54/x
  3. Step 3: Cross multiply
    104,366.46x = 144,128.03 × 72,183.54
  4. Step 4: Simplify right side
    104,366.46x = 10,403,671,418.63
  5. Step 5: Solve for x
    x = 10,403,671,418.63/104,366.46
  6. Step 6: Final answer
    x = 99,684.05

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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.