Home / 209,924.19-314,828.73-125,618.04

Finding the Fourth Proportional to 209,924.19, 314,828.73 and 125,618.04

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Solution

The fourth proportional to 209,924.19, 314,828.73 and 125,618.04 is: 188,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,924.19 : 314,828.73 = 125,618.04 : x
  2. Step 2: Convert to fraction form
    209,924.19/314,828.73 = 125,618.04/x
  3. Step 3: Cross multiply
    209,924.19x = 314,828.73 × 125,618.04
  4. Step 4: Simplify right side
    209,924.19x = 39,548,167,998.29
  5. Step 5: Solve for x
    x = 39,548,167,998.29/209,924.19
  6. Step 6: Final answer
    x = 188,392.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.