Home / 144,746.04-199,749.24-80,219.40

Finding the Fourth Proportional to 144,746.04, 199,749.24 and 80,219.40

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Solution

The fourth proportional to 144,746.04, 199,749.24 and 80,219.40 is: 110,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,746.04 : 199,749.24 = 80,219.40 : x
  2. Step 2: Convert to fraction form
    144,746.04/199,749.24 = 80,219.40/x
  3. Step 3: Cross multiply
    144,746.04x = 199,749.24 × 80,219.40
  4. Step 4: Simplify right side
    144,746.04x = 16,023,764,183.26
  5. Step 5: Solve for x
    x = 16,023,764,183.26/144,746.04
  6. Step 6: Final answer
    x = 110,702.61

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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.