Home / 110,707.20-166,109.40-51,512.40

Finding the Fourth Proportional to 110,707.20, 166,109.40 and 51,512.40

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Solution

The fourth proportional to 110,707.20, 166,109.40 and 51,512.40 is: 77,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,707.20 : 166,109.40 = 51,512.40 : x
  2. Step 2: Convert to fraction form
    110,707.20/166,109.40 = 51,512.40/x
  3. Step 3: Cross multiply
    110,707.20x = 166,109.40 × 51,512.40
  4. Step 4: Simplify right side
    110,707.20x = 8,556,693,856.56
  5. Step 5: Solve for x
    x = 8,556,693,856.56/110,707.20
  6. Step 6: Final answer
    x = 77,291.21

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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.