Home / 211,010.48-291,198.07-130,435.93

Finding the Fourth Proportional to 211,010.48, 291,198.07 and 130,435.93

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Solution

The fourth proportional to 211,010.48, 291,198.07 and 130,435.93 is: 180,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,010.48 : 291,198.07 = 130,435.93 : x
  2. Step 2: Convert to fraction form
    211,010.48/291,198.07 = 130,435.93/x
  3. Step 3: Cross multiply
    211,010.48x = 291,198.07 × 130,435.93
  4. Step 4: Simplify right side
    211,010.48x = 37,982,691,074.66
  5. Step 5: Solve for x
    x = 37,982,691,074.66/211,010.48
  6. Step 6: Final answer
    x = 180,003.81

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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.