Home / 196,011.75-270,209.89-138,549.68

Finding the Fourth Proportional to 196,011.75, 270,209.89 and 138,549.68

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Solution

The fourth proportional to 196,011.75, 270,209.89 and 138,549.68 is: 190,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,011.75 : 270,209.89 = 138,549.68 : x
  2. Step 2: Convert to fraction form
    196,011.75/270,209.89 = 138,549.68/x
  3. Step 3: Cross multiply
    196,011.75x = 270,209.89 × 138,549.68
  4. Step 4: Simplify right side
    196,011.75x = 37,437,493,792.34
  5. Step 5: Solve for x
    x = 37,437,493,792.34/196,011.75
  6. Step 6: Final answer
    x = 190,996.17

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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.