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Finding the Fourth Proportional to 145,773.81, 218,660.76 and 112,542.39

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Solution

The fourth proportional to 145,773.81, 218,660.76 and 112,542.39 is: 168,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,773.81 : 218,660.76 = 112,542.39 : x
  2. Step 2: Convert to fraction form
    145,773.81/218,660.76 = 112,542.39/x
  3. Step 3: Cross multiply
    145,773.81x = 218,660.76 × 112,542.39
  4. Step 4: Simplify right side
    145,773.81x = 24,608,604,529.62
  5. Step 5: Solve for x
    x = 24,608,604,529.62/145,773.81
  6. Step 6: Final answer
    x = 168,813.62

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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.