Home / 209,203.26-288,694.43-118,567.61

Finding the Fourth Proportional to 209,203.26, 288,694.43 and 118,567.61

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Solution

The fourth proportional to 209,203.26, 288,694.43 and 118,567.61 is: 163,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,203.26 : 288,694.43 = 118,567.61 : x
  2. Step 2: Convert to fraction form
    209,203.26/288,694.43 = 118,567.61/x
  3. Step 3: Cross multiply
    209,203.26x = 288,694.43 × 118,567.61
  4. Step 4: Simplify right side
    209,203.26x = 34,229,807,438.36
  5. Step 5: Solve for x
    x = 34,229,807,438.36/209,203.26
  6. Step 6: Final answer
    x = 163,619.85

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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.