Home / 99,551.41-149,348.96-73,176.19

Finding the Fourth Proportional to 99,551.41, 149,348.96 and 73,176.19

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Solution

The fourth proportional to 99,551.41, 149,348.96 and 73,176.19 is: 109,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,551.41 : 149,348.96 = 73,176.19 : x
  2. Step 2: Convert to fraction form
    99,551.41/149,348.96 = 73,176.19/x
  3. Step 3: Cross multiply
    99,551.41x = 149,348.96 × 73,176.19
  4. Step 4: Simplify right side
    99,551.41x = 10,928,787,873.26
  5. Step 5: Solve for x
    x = 10,928,787,873.26/99,551.41
  6. Step 6: Final answer
    x = 109,780.34

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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.