Home / 208,819.62-288,166.98-118,173.90

Finding the Fourth Proportional to 208,819.62, 288,166.98 and 118,173.90

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Solution

The fourth proportional to 208,819.62, 288,166.98 and 118,173.90 is: 163,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,819.62 : 288,166.98 = 118,173.90 : x
  2. Step 2: Convert to fraction form
    208,819.62/288,166.98 = 118,173.90/x
  3. Step 3: Cross multiply
    208,819.62x = 288,166.98 × 118,173.90
  4. Step 4: Simplify right side
    208,819.62x = 34,053,815,877.82
  5. Step 5: Solve for x
    x = 34,053,815,877.82/208,819.62
  6. Step 6: Final answer
    x = 163,077.66

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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.