Home / 213,930.47-295,212.82-117,115.77

Finding the Fourth Proportional to 213,930.47, 295,212.82 and 117,115.77

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Solution

The fourth proportional to 213,930.47, 295,212.82 and 117,115.77 is: 161,613.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,930.47 : 295,212.82 = 117,115.77 : x
  2. Step 2: Convert to fraction form
    213,930.47/295,212.82 = 117,115.77/x
  3. Step 3: Cross multiply
    213,930.47x = 295,212.82 × 117,115.77
  4. Step 4: Simplify right side
    213,930.47x = 34,574,076,728.17
  5. Step 5: Solve for x
    x = 34,574,076,728.17/213,930.47
  6. Step 6: Final answer
    x = 161,613.62

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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.