Home / 250,426.45-345,587.68-135,705.54

Finding the Fourth Proportional to 250,426.45, 345,587.68 and 135,705.54

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Solution

The fourth proportional to 250,426.45, 345,587.68 and 135,705.54 is: 187,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,426.45 : 345,587.68 = 135,705.54 : x
  2. Step 2: Convert to fraction form
    250,426.45/345,587.68 = 135,705.54/x
  3. Step 3: Cross multiply
    250,426.45x = 345,587.68 × 135,705.54
  4. Step 4: Simplify right side
    250,426.45x = 46,898,162,731.75
  5. Step 5: Solve for x
    x = 46,898,162,731.75/250,426.45
  6. Step 6: Final answer
    x = 187,273.20

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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.