Home / 115,004.20-172,403.70-44,867.20

Finding the Fourth Proportional to 115,004.20, 172,403.70 and 44,867.20

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Solution

The fourth proportional to 115,004.20, 172,403.70 and 44,867.20 is: 67,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,004.20 : 172,403.70 = 44,867.20 : x
  2. Step 2: Convert to fraction form
    115,004.20/172,403.70 = 44,867.20/x
  3. Step 3: Cross multiply
    115,004.20x = 172,403.70 × 44,867.20
  4. Step 4: Simplify right side
    115,004.20x = 7,735,271,288.64
  5. Step 5: Solve for x
    x = 7,735,271,288.64/115,004.20
  6. Step 6: Final answer
    x = 67,260.77

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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.