Home / 115,329.20-172,993.80-48,817.40

Finding the Fourth Proportional to 115,329.20, 172,993.80 and 48,817.40

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Solution

The fourth proportional to 115,329.20, 172,993.80 and 48,817.40 is: 73,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,329.20 : 172,993.80 = 48,817.40 : x
  2. Step 2: Convert to fraction form
    115,329.20/172,993.80 = 48,817.40/x
  3. Step 3: Cross multiply
    115,329.20x = 172,993.80 × 48,817.40
  4. Step 4: Simplify right side
    115,329.20x = 8,445,107,532.12
  5. Step 5: Solve for x
    x = 8,445,107,532.12/115,329.20
  6. Step 6: Final answer
    x = 73,226.10

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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.