Home / 196,214.64-270,827.96-115,695.78

Finding the Fourth Proportional to 196,214.64, 270,827.96 and 115,695.78

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Solution

The fourth proportional to 196,214.64, 270,827.96 and 115,695.78 is: 159,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,214.64 : 270,827.96 = 115,695.78 : x
  2. Step 2: Convert to fraction form
    196,214.64/270,827.96 = 115,695.78/x
  3. Step 3: Cross multiply
    196,214.64x = 270,827.96 × 115,695.78
  4. Step 4: Simplify right side
    196,214.64x = 31,333,651,499.53
  5. Step 5: Solve for x
    x = 31,333,651,499.53/196,214.64
  6. Step 6: Final answer
    x = 159,690.69

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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.