Home / 211,617.62-317,444.88-69,420.26

Finding the Fourth Proportional to 211,617.62, 317,444.88 and 69,420.26

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Solution

The fourth proportional to 211,617.62, 317,444.88 and 69,420.26 is: 104,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,617.62 : 317,444.88 = 69,420.26 : x
  2. Step 2: Convert to fraction form
    211,617.62/317,444.88 = 69,420.26/x
  3. Step 3: Cross multiply
    211,617.62x = 317,444.88 × 69,420.26
  4. Step 4: Simplify right side
    211,617.62x = 22,037,106,105.27
  5. Step 5: Solve for x
    x = 22,037,106,105.27/211,617.62
  6. Step 6: Final answer
    x = 104,136.44

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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.