Home / 212,980.32-293,911.20-117,491.04

Finding the Fourth Proportional to 212,980.32, 293,911.20 and 117,491.04

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Solution

The fourth proportional to 212,980.32, 293,911.20 and 117,491.04 is: 162,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,980.32 : 293,911.20 = 117,491.04 : x
  2. Step 2: Convert to fraction form
    212,980.32/293,911.20 = 117,491.04/x
  3. Step 3: Cross multiply
    212,980.32x = 293,911.20 × 117,491.04
  4. Step 4: Simplify right side
    212,980.32x = 34,531,932,555.65
  5. Step 5: Solve for x
    x = 34,531,932,555.65/212,980.32
  6. Step 6: Final answer
    x = 162,136.73

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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.