Home / 211,055.58-316,560.88-111,175.28

Finding the Fourth Proportional to 211,055.58, 316,560.88 and 111,175.28

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Solution

The fourth proportional to 211,055.58, 316,560.88 and 111,175.28 is: 166,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,055.58 : 316,560.88 = 111,175.28 : x
  2. Step 2: Convert to fraction form
    211,055.58/316,560.88 = 111,175.28/x
  3. Step 3: Cross multiply
    211,055.58x = 316,560.88 × 111,175.28
  4. Step 4: Simplify right side
    211,055.58x = 35,193,744,471.05
  5. Step 5: Solve for x
    x = 35,193,744,471.05/211,055.58
  6. Step 6: Final answer
    x = 166,751.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.