Home / 97,380.28-146,055.76-30,811.74

Finding the Fourth Proportional to 97,380.28, 146,055.76 and 30,811.74

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Solution

The fourth proportional to 97,380.28, 146,055.76 and 30,811.74 is: 46,212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,380.28 : 146,055.76 = 30,811.74 : x
  2. Step 2: Convert to fraction form
    97,380.28/146,055.76 = 30,811.74/x
  3. Step 3: Cross multiply
    97,380.28x = 146,055.76 × 30,811.74
  4. Step 4: Simplify right side
    97,380.28x = 4,500,232,102.62
  5. Step 5: Solve for x
    x = 4,500,232,102.62/97,380.28
  6. Step 6: Final answer
    x = 46,212.97

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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.