Home / 223,029.45-334,876.32-90,169.20

Finding the Fourth Proportional to 223,029.45, 334,876.32 and 90,169.20

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Solution

The fourth proportional to 223,029.45, 334,876.32 and 90,169.20 is: 135,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,029.45 : 334,876.32 = 90,169.20 : x
  2. Step 2: Convert to fraction form
    223,029.45/334,876.32 = 90,169.20/x
  3. Step 3: Cross multiply
    223,029.45x = 334,876.32 × 90,169.20
  4. Step 4: Simplify right side
    223,029.45x = 30,195,529,873.34
  5. Step 5: Solve for x
    x = 30,195,529,873.34/223,029.45
  6. Step 6: Final answer
    x = 135,388.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.