Home / 211,588.35-291,991.90-120,946.26

Finding the Fourth Proportional to 211,588.35, 291,991.90 and 120,946.26

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Solution

The fourth proportional to 211,588.35, 291,991.90 and 120,946.26 is: 166,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,588.35 : 291,991.90 = 120,946.26 : x
  2. Step 2: Convert to fraction form
    211,588.35/291,991.90 = 120,946.26/x
  3. Step 3: Cross multiply
    211,588.35x = 291,991.90 × 120,946.26
  4. Step 4: Simplify right side
    211,588.35x = 35,315,328,934.51
  5. Step 5: Solve for x
    x = 35,315,328,934.51/211,588.35
  6. Step 6: Final answer
    x = 166,905.83

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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.