Home / 209,559.54-289,184.15-118,910.10

Finding the Fourth Proportional to 209,559.54, 289,184.15 and 118,910.10

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Solution

The fourth proportional to 209,559.54, 289,184.15 and 118,910.10 is: 164,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,559.54 : 289,184.15 = 118,910.10 : x
  2. Step 2: Convert to fraction form
    209,559.54/289,184.15 = 118,910.10/x
  3. Step 3: Cross multiply
    209,559.54x = 289,184.15 × 118,910.10
  4. Step 4: Simplify right side
    209,559.54x = 34,386,915,600.36
  5. Step 5: Solve for x
    x = 34,386,915,600.36/209,559.54
  6. Step 6: Final answer
    x = 164,091.39

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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.