Home / 126,102.58-189,183.31-42,996.66

Finding the Fourth Proportional to 126,102.58, 189,183.31 and 42,996.66

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Solution

The fourth proportional to 126,102.58, 189,183.31 and 42,996.66 is: 64,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,102.58 : 189,183.31 = 42,996.66 : x
  2. Step 2: Convert to fraction form
    126,102.58/189,183.31 = 42,996.66/x
  3. Step 3: Cross multiply
    126,102.58x = 189,183.31 × 42,996.66
  4. Step 4: Simplify right side
    126,102.58x = 8,134,250,457.74
  5. Step 5: Solve for x
    x = 8,134,250,457.74/126,102.58
  6. Step 6: Final answer
    x = 64,505.03

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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.