Home / 211,760.35-317,445.58-91,741.88

Finding the Fourth Proportional to 211,760.35, 317,445.58 and 91,741.88

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Solution

The fourth proportional to 211,760.35, 317,445.58 and 91,741.88 is: 137,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,760.35 : 317,445.58 = 91,741.88 : x
  2. Step 2: Convert to fraction form
    211,760.35/317,445.58 = 91,741.88/x
  3. Step 3: Cross multiply
    211,760.35x = 317,445.58 × 91,741.88
  4. Step 4: Simplify right side
    211,760.35x = 29,123,055,215.18
  5. Step 5: Solve for x
    x = 29,123,055,215.18/211,760.35
  6. Step 6: Final answer
    x = 137,528.37

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1.5x scale

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.