Home / 110,255.01-165,465.74-80,749.34

Finding the Fourth Proportional to 110,255.01, 165,465.74 and 80,749.34

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Solution

The fourth proportional to 110,255.01, 165,465.74 and 80,749.34 is: 121,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,255.01 : 165,465.74 = 80,749.34 : x
  2. Step 2: Convert to fraction form
    110,255.01/165,465.74 = 80,749.34/x
  3. Step 3: Cross multiply
    110,255.01x = 165,465.74 × 80,749.34
  4. Step 4: Simplify right side
    110,255.01x = 13,361,248,838.44
  5. Step 5: Solve for x
    x = 13,361,248,838.44/110,255.01
  6. Step 6: Final answer
    x = 121,184.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.