Home / 144,269.40-199,090.81-80,607.35

Finding the Fourth Proportional to 144,269.40, 199,090.81 and 80,607.35

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Solution

The fourth proportional to 144,269.40, 199,090.81 and 80,607.35 is: 111,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,269.40 : 199,090.81 = 80,607.35 : x
  2. Step 2: Convert to fraction form
    144,269.40/199,090.81 = 80,607.35/x
  3. Step 3: Cross multiply
    144,269.40x = 199,090.81 × 80,607.35
  4. Step 4: Simplify right side
    144,269.40x = 16,048,183,201.94
  5. Step 5: Solve for x
    x = 16,048,183,201.94/144,269.40
  6. Step 6: Final answer
    x = 111,237.61

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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.