Home / 209,883.20-289,645.60-119,237.52

Finding the Fourth Proportional to 209,883.20, 289,645.60 and 119,237.52

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Solution

The fourth proportional to 209,883.20, 289,645.60 and 119,237.52 is: 164,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,883.20 : 289,645.60 = 119,237.52 : x
  2. Step 2: Convert to fraction form
    209,883.20/289,645.60 = 119,237.52/x
  3. Step 3: Cross multiply
    209,883.20x = 289,645.60 × 119,237.52
  4. Step 4: Simplify right side
    209,883.20x = 34,536,622,069.95
  5. Step 5: Solve for x
    x = 34,536,622,069.95/209,883.20
  6. Step 6: Final answer
    x = 164,551.63

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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.