Home / 158,371.13-218,469.30-97,922.45

Finding the Fourth Proportional to 158,371.13, 218,469.30 and 97,922.45

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Solution

The fourth proportional to 158,371.13, 218,469.30 and 97,922.45 is: 135,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,371.13 : 218,469.30 = 97,922.45 : x
  2. Step 2: Convert to fraction form
    158,371.13/218,469.30 = 97,922.45/x
  3. Step 3: Cross multiply
    158,371.13x = 218,469.30 × 97,922.45
  4. Step 4: Simplify right side
    158,371.13x = 21,393,049,105.79
  5. Step 5: Solve for x
    x = 21,393,049,105.79/158,371.13
  6. Step 6: Final answer
    x = 135,081.75

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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.