Home / 211,182.19-291,431.42-126,299.25

Finding the Fourth Proportional to 211,182.19, 291,431.42 and 126,299.25

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Solution

The fourth proportional to 211,182.19, 291,431.42 and 126,299.25 is: 174,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,182.19 : 291,431.42 = 126,299.25 : x
  2. Step 2: Convert to fraction form
    211,182.19/291,431.42 = 126,299.25/x
  3. Step 3: Cross multiply
    211,182.19x = 291,431.42 × 126,299.25
  4. Step 4: Simplify right side
    211,182.19x = 36,807,569,614.56
  5. Step 5: Solve for x
    x = 36,807,569,614.56/211,182.19
  6. Step 6: Final answer
    x = 174,292.97

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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.