Home / 126,147.06-189,276.48-66,968.46

Finding the Fourth Proportional to 126,147.06, 189,276.48 and 66,968.46

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Solution

The fourth proportional to 126,147.06, 189,276.48 and 66,968.46 is: 100,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,147.06 : 189,276.48 = 66,968.46 : x
  2. Step 2: Convert to fraction form
    126,147.06/189,276.48 = 66,968.46/x
  3. Step 3: Cross multiply
    126,147.06x = 189,276.48 × 66,968.46
  4. Step 4: Simplify right side
    126,147.06x = 12,675,554,379.82
  5. Step 5: Solve for x
    x = 12,675,554,379.82/126,147.06
  6. Step 6: Final answer
    x = 100,482.36

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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.