Home / 210,221.56-290,105.62-134,770.04

Finding the Fourth Proportional to 210,221.56, 290,105.62 and 134,770.04

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Solution

The fourth proportional to 210,221.56, 290,105.62 and 134,770.04 is: 185,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,221.56 : 290,105.62 = 134,770.04 : x
  2. Step 2: Convert to fraction form
    210,221.56/290,105.62 = 134,770.04/x
  3. Step 3: Cross multiply
    210,221.56x = 290,105.62 × 134,770.04
  4. Step 4: Simplify right side
    210,221.56x = 39,097,546,011.62
  5. Step 5: Solve for x
    x = 39,097,546,011.62/210,221.56
  6. Step 6: Final answer
    x = 185,982.57

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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.