Home / 211,491.90-291,758.22-126,592.56

Finding the Fourth Proportional to 211,491.90, 291,758.22 and 126,592.56

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Solution

The fourth proportional to 211,491.90, 291,758.22 and 126,592.56 is: 174,637.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,491.90 : 291,758.22 = 126,592.56 : x
  2. Step 2: Convert to fraction form
    211,491.90/291,758.22 = 126,592.56/x
  3. Step 3: Cross multiply
    211,491.90x = 291,758.22 × 126,592.56
  4. Step 4: Simplify right side
    211,491.90x = 36,934,419,970.84
  5. Step 5: Solve for x
    x = 36,934,419,970.84/211,491.90
  6. Step 6: Final answer
    x = 174,637.52

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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.