Home / 208,956.06-288,356.36-118,309.66

Finding the Fourth Proportional to 208,956.06, 288,356.36 and 118,309.66

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Solution

The fourth proportional to 208,956.06, 288,356.36 and 118,309.66 is: 163,265.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,956.06 : 288,356.36 = 118,309.66 : x
  2. Step 2: Convert to fraction form
    208,956.06/288,356.36 = 118,309.66/x
  3. Step 3: Cross multiply
    208,956.06x = 288,356.36 × 118,309.66
  4. Step 4: Simplify right side
    208,956.06x = 34,115,342,910.44
  5. Step 5: Solve for x
    x = 34,115,342,910.44/208,956.06
  6. Step 6: Final answer
    x = 163,265.63

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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.