Home / 115,209.87-172,798.39-36,313.84

Finding the Fourth Proportional to 115,209.87, 172,798.39 and 36,313.84

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Solution

The fourth proportional to 115,209.87, 172,798.39 and 36,313.84 is: 54,465.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,209.87 : 172,798.39 = 36,313.84 : x
  2. Step 2: Convert to fraction form
    115,209.87/172,798.39 = 36,313.84/x
  3. Step 3: Cross multiply
    115,209.87x = 172,798.39 × 36,313.84
  4. Step 4: Simplify right side
    115,209.87x = 6,274,973,086.72
  5. Step 5: Solve for x
    x = 6,274,973,086.72/115,209.87
  6. Step 6: Final answer
    x = 54,465.59

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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.