Home / 209,629.80-314,444.70-168,157.80

Finding the Fourth Proportional to 209,629.80, 314,444.70 and 168,157.80

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Solution

The fourth proportional to 209,629.80, 314,444.70 and 168,157.80 is: 252,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,629.80 : 314,444.70 = 168,157.80 : x
  2. Step 2: Convert to fraction form
    209,629.80/314,444.70 = 168,157.80/x
  3. Step 3: Cross multiply
    209,629.80x = 314,444.70 × 168,157.80
  4. Step 4: Simplify right side
    209,629.80x = 52,876,328,973.66
  5. Step 5: Solve for x
    x = 52,876,328,973.66/209,629.80
  6. Step 6: Final answer
    x = 252,236.70

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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.