Home / 115,009.46-172,512.64-29,619.84

Finding the Fourth Proportional to 115,009.46, 172,512.64 and 29,619.84

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Solution

The fourth proportional to 115,009.46, 172,512.64 and 29,619.84 is: 44,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,009.46 : 172,512.64 = 29,619.84 : x
  2. Step 2: Convert to fraction form
    115,009.46/172,512.64 = 29,619.84/x
  3. Step 3: Cross multiply
    115,009.46x = 172,512.64 × 29,619.84
  4. Step 4: Simplify right side
    115,009.46x = 5,109,796,794.78
  5. Step 5: Solve for x
    x = 5,109,796,794.78/115,009.46
  6. Step 6: Final answer
    x = 44,429.36

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1.5x scale

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.