Home / 158,514.12-218,771.82-98,104.20

Finding the Fourth Proportional to 158,514.12, 218,771.82 and 98,104.20

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Solution

The fourth proportional to 158,514.12, 218,771.82 and 98,104.20 is: 135,397.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,514.12 : 218,771.82 = 98,104.20 : x
  2. Step 2: Convert to fraction form
    158,514.12/218,771.82 = 98,104.20/x
  3. Step 3: Cross multiply
    158,514.12x = 218,771.82 × 98,104.20
  4. Step 4: Simplify right side
    158,514.12x = 21,462,434,383.64
  5. Step 5: Solve for x
    x = 21,462,434,383.64/158,514.12
  6. Step 6: Final answer
    x = 135,397.62

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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.