Home / 212,819.49-293,693.16-117,329.61

Finding the Fourth Proportional to 212,819.49, 293,693.16 and 117,329.61

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Solution

The fourth proportional to 212,819.49, 293,693.16 and 117,329.61 is: 161,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,819.49 : 293,693.16 = 117,329.61 : x
  2. Step 2: Convert to fraction form
    212,819.49/293,693.16 = 117,329.61/x
  3. Step 3: Cross multiply
    212,819.49x = 293,693.16 × 117,329.61
  4. Step 4: Simplify right side
    212,819.49x = 34,458,903,922.47
  5. Step 5: Solve for x
    x = 34,458,903,922.47/212,819.49
  6. Step 6: Final answer
    x = 161,916.11

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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.