Home / 209,862.59-314,886.83-109,999.04

Finding the Fourth Proportional to 209,862.59, 314,886.83 and 109,999.04

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Solution

The fourth proportional to 209,862.59, 314,886.83 and 109,999.04 is: 165,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,862.59 : 314,886.83 = 109,999.04 : x
  2. Step 2: Convert to fraction form
    209,862.59/314,886.83 = 109,999.04/x
  3. Step 3: Cross multiply
    209,862.59x = 314,886.83 × 109,999.04
  4. Step 4: Simplify right side
    209,862.59x = 34,637,246,884.21
  5. Step 5: Solve for x
    x = 34,637,246,884.21/209,862.59
  6. Step 6: Final answer
    x = 165,047.27

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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.