Home / 126,410.10-189,615.15-110,858.10

Finding the Fourth Proportional to 126,410.10, 189,615.15 and 110,858.10

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Solution

The fourth proportional to 126,410.10, 189,615.15 and 110,858.10 is: 166,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,410.10 : 189,615.15 = 110,858.10 : x
  2. Step 2: Convert to fraction form
    126,410.10/189,615.15 = 110,858.10/x
  3. Step 3: Cross multiply
    126,410.10x = 189,615.15 × 110,858.10
  4. Step 4: Simplify right side
    126,410.10x = 21,020,375,260.22
  5. Step 5: Solve for x
    x = 21,020,375,260.22/126,410.10
  6. Step 6: Final answer
    x = 166,287.15

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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.