Home / 209,092.93-288,562.52-118,449.64

Finding the Fourth Proportional to 209,092.93, 288,562.52 and 118,449.64

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Solution

The fourth proportional to 209,092.93, 288,562.52 and 118,449.64 is: 163,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,092.93 : 288,562.52 = 118,449.64 : x
  2. Step 2: Convert to fraction form
    209,092.93/288,562.52 = 118,449.64/x
  3. Step 3: Cross multiply
    209,092.93x = 288,562.52 × 118,449.64
  4. Step 4: Simplify right side
    209,092.93x = 34,180,126,611.49
  5. Step 5: Solve for x
    x = 34,180,126,611.49/209,092.93
  6. Step 6: Final answer
    x = 163,468.59

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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.