Home / 212,664.80-293,233.56-158,859.20

Finding the Fourth Proportional to 212,664.80, 293,233.56 and 158,859.20

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Solution

The fourth proportional to 212,664.80, 293,233.56 and 158,859.20 is: 219,043.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,664.80 : 293,233.56 = 158,859.20 : x
  2. Step 2: Convert to fraction form
    212,664.80/293,233.56 = 158,859.20/x
  3. Step 3: Cross multiply
    212,664.80x = 293,233.56 × 158,859.20
  4. Step 4: Simplify right side
    212,664.80x = 46,582,848,754.75
  5. Step 5: Solve for x
    x = 46,582,848,754.75/212,664.80
  6. Step 6: Final answer
    x = 219,043.53

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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.