Home / 211,416.80-291,755.04-115,925.04

Finding the Fourth Proportional to 211,416.80, 291,755.04 and 115,925.04

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Solution

The fourth proportional to 211,416.80, 291,755.04 and 115,925.04 is: 159,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,416.80 : 291,755.04 = 115,925.04 : x
  2. Step 2: Convert to fraction form
    211,416.80/291,755.04 = 115,925.04/x
  3. Step 3: Cross multiply
    211,416.80x = 291,755.04 × 115,925.04
  4. Step 4: Simplify right side
    211,416.80x = 33,821,714,682.20
  5. Step 5: Solve for x
    x = 33,821,714,682.20/211,416.80
  6. Step 6: Final answer
    x = 159,976.48

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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.