Home / 209,205.54-288,694.29-118,556.22

Finding the Fourth Proportional to 209,205.54, 288,694.29 and 118,556.22

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Solution

The fourth proportional to 209,205.54, 288,694.29 and 118,556.22 is: 163,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,205.54 : 288,694.29 = 118,556.22 : x
  2. Step 2: Convert to fraction form
    209,205.54/288,694.29 = 118,556.22/x
  3. Step 3: Cross multiply
    209,205.54x = 288,694.29 × 118,556.22
  4. Step 4: Simplify right side
    209,205.54x = 34,226,503,757.98
  5. Step 5: Solve for x
    x = 34,226,503,757.98/209,205.54
  6. Step 6: Final answer
    x = 163,602.28

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1.5x scale

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.