Home / 145,760.06-218,591.18-55,781.79

Finding the Fourth Proportional to 145,760.06, 218,591.18 and 55,781.79

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Solution

The fourth proportional to 145,760.06, 218,591.18 and 55,781.79 is: 83,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,760.06 : 218,591.18 = 55,781.79 : x
  2. Step 2: Convert to fraction form
    145,760.06/218,591.18 = 55,781.79/x
  3. Step 3: Cross multiply
    145,760.06x = 218,591.18 × 55,781.79
  4. Step 4: Simplify right side
    145,760.06x = 12,193,407,180.84
  5. Step 5: Solve for x
    x = 12,193,407,180.84/145,760.06
  6. Step 6: Final answer
    x = 83,653.97

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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.