Home / 211,062.20-291,262.94-115,568.90

Finding the Fourth Proportional to 211,062.20, 291,262.94 and 115,568.90

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Solution

The fourth proportional to 211,062.20, 291,262.94 and 115,568.90 is: 159,483.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,062.20 : 291,262.94 = 115,568.90 : x
  2. Step 2: Convert to fraction form
    211,062.20/291,262.94 = 115,568.90/x
  3. Step 3: Cross multiply
    211,062.20x = 291,262.94 × 115,568.90
  4. Step 4: Simplify right side
    211,062.20x = 33,660,937,078.03
  5. Step 5: Solve for x
    x = 33,660,937,078.03/211,062.20
  6. Step 6: Final answer
    x = 159,483.50

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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.