Home / 211,443.52-291,781.92-115,932.48

Finding the Fourth Proportional to 211,443.52, 291,781.92 and 115,932.48

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Solution

The fourth proportional to 211,443.52, 291,781.92 and 115,932.48 is: 159,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,443.52 : 291,781.92 = 115,932.48 : x
  2. Step 2: Convert to fraction form
    211,443.52/291,781.92 = 115,932.48/x
  3. Step 3: Cross multiply
    211,443.52x = 291,781.92 × 115,932.48
  4. Step 4: Simplify right side
    211,443.52x = 33,827,001,604.76
  5. Step 5: Solve for x
    x = 33,827,001,604.76/211,443.52
  6. Step 6: Final answer
    x = 159,981.26

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1.5x scale

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.