Home / 196,012.26-270,210.57-138,550.19

Finding the Fourth Proportional to 196,012.26, 270,210.57 and 138,550.19

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Solution

The fourth proportional to 196,012.26, 270,210.57 and 138,550.19 is: 190,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,012.26 : 270,210.57 = 138,550.19 : x
  2. Step 2: Convert to fraction form
    196,012.26/270,210.57 = 138,550.19/x
  3. Step 3: Cross multiply
    196,012.26x = 270,210.57 × 138,550.19
  4. Step 4: Simplify right side
    196,012.26x = 37,437,724,462.46
  5. Step 5: Solve for x
    x = 37,437,724,462.46/196,012.26
  6. Step 6: Final answer
    x = 190,996.85

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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.