Home / 213,784.91-295,023.20-116,988.78

Finding the Fourth Proportional to 213,784.91, 295,023.20 and 116,988.78

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Solution

The fourth proportional to 213,784.91, 295,023.20 and 116,988.78 is: 161,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,784.91 : 295,023.20 = 116,988.78 : x
  2. Step 2: Convert to fraction form
    213,784.91/295,023.20 = 116,988.78/x
  3. Step 3: Cross multiply
    213,784.91x = 295,023.20 × 116,988.78
  4. Step 4: Simplify right side
    213,784.91x = 34,514,403,654.75
  5. Step 5: Solve for x
    x = 34,514,403,654.75/213,784.91
  6. Step 6: Final answer
    x = 161,444.53

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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.