Home / 212,982.84-293,917.14-117,488.16

Finding the Fourth Proportional to 212,982.84, 293,917.14 and 117,488.16

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Solution

The fourth proportional to 212,982.84, 293,917.14 and 117,488.16 is: 162,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,982.84 : 293,917.14 = 117,488.16 : x
  2. Step 2: Convert to fraction form
    212,982.84/293,917.14 = 117,488.16/x
  3. Step 3: Cross multiply
    212,982.84x = 293,917.14 × 117,488.16
  4. Step 4: Simplify right side
    212,982.84x = 34,531,783,971.06
  5. Step 5: Solve for x
    x = 34,531,783,971.06/212,982.84
  6. Step 6: Final answer
    x = 162,134.11

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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.