Home / 145,944.12-218,433.83-132,829.41

Finding the Fourth Proportional to 145,944.12, 218,433.83 and 132,829.41

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Solution

The fourth proportional to 145,944.12, 218,433.83 and 132,829.41 is: 198,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,944.12 : 218,433.83 = 132,829.41 : x
  2. Step 2: Convert to fraction form
    145,944.12/218,433.83 = 132,829.41/x
  3. Step 3: Cross multiply
    145,944.12x = 218,433.83 × 132,829.41
  4. Step 4: Simplify right side
    145,944.12x = 29,014,436,098.79
  5. Step 5: Solve for x
    x = 29,014,436,098.79/145,944.12
  6. Step 6: Final answer
    x = 198,805.10

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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.