Home / 211,588.85-291,992.59-120,946.77

Finding the Fourth Proportional to 211,588.85, 291,992.59 and 120,946.77

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Solution

The fourth proportional to 211,588.85, 291,992.59 and 120,946.77 is: 166,906.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,588.85 : 291,992.59 = 120,946.77 : x
  2. Step 2: Convert to fraction form
    211,588.85/291,992.59 = 120,946.77/x
  3. Step 3: Cross multiply
    211,588.85x = 291,992.59 × 120,946.77
  4. Step 4: Simplify right side
    211,588.85x = 35,315,558,559.74
  5. Step 5: Solve for x
    x = 35,315,558,559.74/211,588.85
  6. Step 6: Final answer
    x = 166,906.52

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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.