Home / 208,837.86-288,209.39-118,159.31

Finding the Fourth Proportional to 208,837.86, 288,209.39 and 118,159.31

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Solution

The fourth proportional to 208,837.86, 288,209.39 and 118,159.31 is: 163,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,837.86 : 288,209.39 = 118,159.31 : x
  2. Step 2: Convert to fraction form
    208,837.86/288,209.39 = 118,159.31/x
  3. Step 3: Cross multiply
    208,837.86x = 288,209.39 × 118,159.31
  4. Step 4: Simplify right side
    208,837.86x = 34,054,620,626.08
  5. Step 5: Solve for x
    x = 34,054,620,626.08/208,837.86
  6. Step 6: Final answer
    x = 163,067.27

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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.