Home / 126,303.22-189,326.63-107,868.86

Finding the Fourth Proportional to 126,303.22, 189,326.63 and 107,868.86

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Solution

The fourth proportional to 126,303.22, 189,326.63 and 107,868.86 is: 161,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,303.22 : 189,326.63 = 107,868.86 : x
  2. Step 2: Convert to fraction form
    126,303.22/189,326.63 = 107,868.86/x
  3. Step 3: Cross multiply
    126,303.22x = 189,326.63 × 107,868.86
  4. Step 4: Simplify right side
    126,303.22x = 20,422,447,778.76
  5. Step 5: Solve for x
    x = 20,422,447,778.76/126,303.22
  6. Step 6: Final answer
    x = 161,693.80

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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.