Home / 209,822.79-314,827.22-109,959.24

Finding the Fourth Proportional to 209,822.79, 314,827.22 and 109,959.24

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Solution

The fourth proportional to 209,822.79, 314,827.22 and 109,959.24 is: 164,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,822.79 : 314,827.22 = 109,959.24 : x
  2. Step 2: Convert to fraction form
    209,822.79/314,827.22 = 109,959.24/x
  3. Step 3: Cross multiply
    209,822.79x = 314,827.22 × 109,959.24
  4. Step 4: Simplify right side
    209,822.79x = 34,618,161,842.51
  5. Step 5: Solve for x
    x = 34,618,161,842.51/209,822.79
  6. Step 6: Final answer
    x = 164,987.62

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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.