Home / 209,742.56-289,447.26-114,250.04

Finding the Fourth Proportional to 209,742.56, 289,447.26 and 114,250.04

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Solution

The fourth proportional to 209,742.56, 289,447.26 and 114,250.04 is: 157,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,742.56 : 289,447.26 = 114,250.04 : x
  2. Step 2: Convert to fraction form
    209,742.56/289,447.26 = 114,250.04/x
  3. Step 3: Cross multiply
    209,742.56x = 289,447.26 × 114,250.04
  4. Step 4: Simplify right side
    209,742.56x = 33,069,361,032.89
  5. Step 5: Solve for x
    x = 33,069,361,032.89/209,742.56
  6. Step 6: Final answer
    x = 157,666.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.