Home / 210,200.34-290,115.89-131,654.58

Finding the Fourth Proportional to 210,200.34, 290,115.89 and 131,654.58

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Solution

The fourth proportional to 210,200.34, 290,115.89 and 131,654.58 is: 181,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,200.34 : 290,115.89 = 131,654.58 : x
  2. Step 2: Convert to fraction form
    210,200.34/290,115.89 = 131,654.58/x
  3. Step 3: Cross multiply
    210,200.34x = 290,115.89 × 131,654.58
  4. Step 4: Simplify right side
    210,200.34x = 38,195,085,649.28
  5. Step 5: Solve for x
    x = 38,195,085,649.28/210,200.34
  6. Step 6: Final answer
    x = 181,708.01

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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.