Home / 141,189.88-211,255.47-84,054.79

Finding the Fourth Proportional to 141,189.88, 211,255.47 and 84,054.79

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Solution

The fourth proportional to 141,189.88, 211,255.47 and 84,054.79 is: 125,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,189.88 : 211,255.47 = 84,054.79 : x
  2. Step 2: Convert to fraction form
    141,189.88/211,255.47 = 84,054.79/x
  3. Step 3: Cross multiply
    141,189.88x = 211,255.47 × 84,054.79
  4. Step 4: Simplify right side
    141,189.88x = 17,757,034,167.20
  5. Step 5: Solve for x
    x = 17,757,034,167.20/141,189.88
  6. Step 6: Final answer
    x = 125,767.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.