Home / 211,522.38-317,380.46-91,616.00

Finding the Fourth Proportional to 211,522.38, 317,380.46 and 91,616.00

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Solution

The fourth proportional to 211,522.38, 317,380.46 and 91,616.00 is: 137,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,522.38 : 317,380.46 = 91,616.00 : x
  2. Step 2: Convert to fraction form
    211,522.38/317,380.46 = 91,616.00/x
  3. Step 3: Cross multiply
    211,522.38x = 317,380.46 × 91,616.00
  4. Step 4: Simplify right side
    211,522.38x = 29,077,128,538.79
  5. Step 5: Solve for x
    x = 29,077,128,538.79/211,522.38
  6. Step 6: Final answer
    x = 137,465.97

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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.