Home / 212,716.47-293,544.93-115,921.17

Finding the Fourth Proportional to 212,716.47, 293,544.93 and 115,921.17

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Solution

The fourth proportional to 212,716.47, 293,544.93 and 115,921.17 is: 159,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,716.47 : 293,544.93 = 115,921.17 : x
  2. Step 2: Convert to fraction form
    212,716.47/293,544.93 = 115,921.17/x
  3. Step 3: Cross multiply
    212,716.47x = 293,544.93 × 115,921.17
  4. Step 4: Simplify right side
    212,716.47x = 34,028,071,733.17
  5. Step 5: Solve for x
    x = 34,028,071,733.17/212,716.47
  6. Step 6: Final answer
    x = 159,969.14

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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.