Home / 158,529.08-218,792.66-98,119.20

Finding the Fourth Proportional to 158,529.08, 218,792.66 and 98,119.20

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Solution

The fourth proportional to 158,529.08, 218,792.66 and 98,119.20 is: 135,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,529.08 : 218,792.66 = 98,119.20 : x
  2. Step 2: Convert to fraction form
    158,529.08/218,792.66 = 98,119.20/x
  3. Step 3: Cross multiply
    158,529.08x = 218,792.66 × 98,119.20
  4. Step 4: Simplify right side
    158,529.08x = 21,467,760,765.07
  5. Step 5: Solve for x
    x = 21,467,760,765.07/158,529.08
  6. Step 6: Final answer
    x = 135,418.44

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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.