Home / 199,158.55-274,835.34-108,515.26

Finding the Fourth Proportional to 199,158.55, 274,835.34 and 108,515.26

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Solution

The fourth proportional to 199,158.55, 274,835.34 and 108,515.26 is: 149,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,158.55 : 274,835.34 = 108,515.26 : x
  2. Step 2: Convert to fraction form
    199,158.55/274,835.34 = 108,515.26/x
  3. Step 3: Cross multiply
    199,158.55x = 274,835.34 × 108,515.26
  4. Step 4: Simplify right side
    199,158.55x = 29,823,828,377.29
  5. Step 5: Solve for x
    x = 29,823,828,377.29/199,158.55
  6. Step 6: Final answer
    x = 149,749.17

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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.