Home / 214,778.24-296,259.96-138,398.48

Finding the Fourth Proportional to 214,778.24, 296,259.96 and 138,398.48

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Solution

The fourth proportional to 214,778.24, 296,259.96 and 138,398.48 is: 190,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,778.24 : 296,259.96 = 138,398.48 : x
  2. Step 2: Convert to fraction form
    214,778.24/296,259.96 = 138,398.48/x
  3. Step 3: Cross multiply
    214,778.24x = 296,259.96 × 138,398.48
  4. Step 4: Simplify right side
    214,778.24x = 41,001,928,148.86
  5. Step 5: Solve for x
    x = 41,001,928,148.86/214,778.24
  6. Step 6: Final answer
    x = 190,903.55

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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.