Home / 212,721.73-293,556.04-115,925.61

Finding the Fourth Proportional to 212,721.73, 293,556.04 and 115,925.61

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Solution

The fourth proportional to 212,721.73, 293,556.04 and 115,925.61 is: 159,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,721.73 : 293,556.04 = 115,925.61 : x
  2. Step 2: Convert to fraction form
    212,721.73/293,556.04 = 115,925.61/x
  3. Step 3: Cross multiply
    212,721.73x = 293,556.04 × 115,925.61
  4. Step 4: Simplify right side
    212,721.73x = 34,030,664,469.29
  5. Step 5: Solve for x
    x = 34,030,664,469.29/212,721.73
  6. Step 6: Final answer
    x = 159,977.37

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1.5x scale

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.