Home / 209,862.03-314,885.79-109,998.35

Finding the Fourth Proportional to 209,862.03, 314,885.79 and 109,998.35

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Solution

The fourth proportional to 209,862.03, 314,885.79 and 109,998.35 is: 165,046.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,862.03 : 314,885.79 = 109,998.35 : x
  2. Step 2: Convert to fraction form
    209,862.03/314,885.79 = 109,998.35/x
  3. Step 3: Cross multiply
    209,862.03x = 314,885.79 × 109,998.35
  4. Step 4: Simplify right side
    209,862.03x = 34,636,915,764.02
  5. Step 5: Solve for x
    x = 34,636,915,764.02/209,862.03
  6. Step 6: Final answer
    x = 165,046.13

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1.5x scale

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.