Home / 211,515.75-291,891.74-116,022.67

Finding the Fourth Proportional to 211,515.75, 291,891.74 and 116,022.67

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Solution

The fourth proportional to 211,515.75, 291,891.74 and 116,022.67 is: 160,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,515.75 : 291,891.74 = 116,022.67 : x
  2. Step 2: Convert to fraction form
    211,515.75/291,891.74 = 116,022.67/x
  3. Step 3: Cross multiply
    211,515.75x = 291,891.74 × 116,022.67
  4. Step 4: Simplify right side
    211,515.75x = 33,866,057,715.90
  5. Step 5: Solve for x
    x = 33,866,057,715.90/211,515.75
  6. Step 6: Final answer
    x = 160,111.28

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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.