Home / 126,421.27-189,520.57-51,604.30

Finding the Fourth Proportional to 126,421.27, 189,520.57 and 51,604.30

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Solution

The fourth proportional to 126,421.27, 189,520.57 and 51,604.30 is: 77,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,421.27 : 189,520.57 = 51,604.30 : x
  2. Step 2: Convert to fraction form
    126,421.27/189,520.57 = 51,604.30/x
  3. Step 3: Cross multiply
    126,421.27x = 189,520.57 × 51,604.30
  4. Step 4: Simplify right side
    126,421.27x = 9,780,075,747.64
  5. Step 5: Solve for x
    x = 9,780,075,747.64/126,421.27
  6. Step 6: Final answer
    x = 77,361.00

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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.