Home / 211,206.42-291,464.82-126,343.53

Finding the Fourth Proportional to 211,206.42, 291,464.82 and 126,343.53

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Solution

The fourth proportional to 211,206.42, 291,464.82 and 126,343.53 is: 174,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,206.42 : 291,464.82 = 126,343.53 : x
  2. Step 2: Convert to fraction form
    211,206.42/291,464.82 = 126,343.53/x
  3. Step 3: Cross multiply
    211,206.42x = 291,464.82 × 126,343.53
  4. Step 4: Simplify right side
    211,206.42x = 36,824,694,229.61
  5. Step 5: Solve for x
    x = 36,824,694,229.61/211,206.42
  6. Step 6: Final answer
    x = 174,354.05

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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.