Home / 140,746.29-194,181.35-80,273.31

Finding the Fourth Proportional to 140,746.29, 194,181.35 and 80,273.31

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Solution

The fourth proportional to 140,746.29, 194,181.35 and 80,273.31 is: 110,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,746.29 : 194,181.35 = 80,273.31 : x
  2. Step 2: Convert to fraction form
    140,746.29/194,181.35 = 80,273.31/x
  3. Step 3: Cross multiply
    140,746.29x = 194,181.35 × 80,273.31
  4. Step 4: Simplify right side
    140,746.29x = 15,587,579,303.40
  5. Step 5: Solve for x
    x = 15,587,579,303.40/140,746.29
  6. Step 6: Final answer
    x = 110,749.49

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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.