Home / 209,238.88-288,743.57-118,603.18

Finding the Fourth Proportional to 209,238.88, 288,743.57 and 118,603.18

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Solution

The fourth proportional to 209,238.88, 288,743.57 and 118,603.18 is: 163,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,238.88 : 288,743.57 = 118,603.18 : x
  2. Step 2: Convert to fraction form
    209,238.88/288,743.57 = 118,603.18/x
  3. Step 3: Cross multiply
    209,238.88x = 288,743.57 × 118,603.18
  4. Step 4: Simplify right side
    209,238.88x = 34,245,905,013.54
  5. Step 5: Solve for x
    x = 34,245,905,013.54/209,238.88
  6. Step 6: Final answer
    x = 163,668.94

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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.