Home / 211,205.46-291,471.57-120,576.18

Finding the Fourth Proportional to 211,205.46, 291,471.57 and 120,576.18

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Solution

The fourth proportional to 211,205.46, 291,471.57 and 120,576.18 is: 166,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,205.46 : 291,471.57 = 120,576.18 : x
  2. Step 2: Convert to fraction form
    211,205.46/291,471.57 = 120,576.18/x
  3. Step 3: Cross multiply
    211,205.46x = 291,471.57 × 120,576.18
  4. Step 4: Simplify right side
    211,205.46x = 35,144,528,489.20
  5. Step 5: Solve for x
    x = 35,144,528,489.20/211,205.46
  6. Step 6: Final answer
    x = 166,399.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.