Home / 209,445.63-314,365.26-109,677.42

Finding the Fourth Proportional to 209,445.63, 314,365.26 and 109,677.42

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Solution

The fourth proportional to 209,445.63, 314,365.26 and 109,677.42 is: 164,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,445.63 : 314,365.26 = 109,677.42 : x
  2. Step 2: Convert to fraction form
    209,445.63/314,365.26 = 109,677.42/x
  3. Step 3: Cross multiply
    209,445.63x = 314,365.26 × 109,677.42
  4. Step 4: Simplify right side
    209,445.63x = 34,478,770,654.43
  5. Step 5: Solve for x
    x = 34,478,770,654.43/209,445.63
  6. Step 6: Final answer
    x = 164,619.19

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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.