Home / 212,802.18-293,687.73-158,993.79

Finding the Fourth Proportional to 212,802.18, 293,687.73 and 158,993.79

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Solution

The fourth proportional to 212,802.18, 293,687.73 and 158,993.79 is: 219,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,802.18 : 293,687.73 = 158,993.79 : x
  2. Step 2: Convert to fraction form
    212,802.18/293,687.73 = 158,993.79/x
  3. Step 3: Cross multiply
    212,802.18x = 293,687.73 × 158,993.79
  4. Step 4: Simplify right side
    212,802.18x = 46,694,525,269.20
  5. Step 5: Solve for x
    x = 46,694,525,269.20/212,802.18
  6. Step 6: Final answer
    x = 219,426.91

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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.