Home / 190,327.46-285,460.20-71,970.66

Finding the Fourth Proportional to 190,327.46, 285,460.20 and 71,970.66

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Solution

The fourth proportional to 190,327.46, 285,460.20 and 71,970.66 is: 107,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,327.46 : 285,460.20 = 71,970.66 : x
  2. Step 2: Convert to fraction form
    190,327.46/285,460.20 = 71,970.66/x
  3. Step 3: Cross multiply
    190,327.46x = 285,460.20 × 71,970.66
  4. Step 4: Simplify right side
    190,327.46x = 20,544,758,997.73
  5. Step 5: Solve for x
    x = 20,544,758,997.73/190,327.46
  6. Step 6: Final answer
    x = 107,944.27

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1.5x scale

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.