Home / 211,477.70-291,812.33-120,839.54

Finding the Fourth Proportional to 211,477.70, 291,812.33 and 120,839.54

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Solution

The fourth proportional to 211,477.70, 291,812.33 and 120,839.54 is: 166,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,477.70 : 291,812.33 = 120,839.54 : x
  2. Step 2: Convert to fraction form
    211,477.70/291,812.33 = 120,839.54/x
  3. Step 3: Cross multiply
    211,477.70x = 291,812.33 × 120,839.54
  4. Step 4: Simplify right side
    211,477.70x = 35,262,466,566.57
  5. Step 5: Solve for x
    x = 35,262,466,566.57/211,477.70
  6. Step 6: Final answer
    x = 166,743.19

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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.