Home / 211,180.88-291,429.96-115,685.48

Finding the Fourth Proportional to 211,180.88, 291,429.96 and 115,685.48

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Solution

The fourth proportional to 211,180.88, 291,429.96 and 115,685.48 is: 159,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,180.88 : 291,429.96 = 115,685.48 : x
  2. Step 2: Convert to fraction form
    211,180.88/291,429.96 = 115,685.48/x
  3. Step 3: Cross multiply
    211,180.88x = 291,429.96 × 115,685.48
  4. Step 4: Simplify right side
    211,180.88x = 33,714,214,808.98
  5. Step 5: Solve for x
    x = 33,714,214,808.98/211,180.88
  6. Step 6: Final answer
    x = 159,646.15

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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.