Home / 112,128.04-168,163.40-33,223.81

Finding the Fourth Proportional to 112,128.04, 168,163.40 and 33,223.81

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Solution

The fourth proportional to 112,128.04, 168,163.40 and 33,223.81 is: 49,827.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,128.04 : 168,163.40 = 33,223.81 : x
  2. Step 2: Convert to fraction form
    112,128.04/168,163.40 = 33,223.81/x
  3. Step 3: Cross multiply
    112,128.04x = 168,163.40 × 33,223.81
  4. Step 4: Simplify right side
    112,128.04x = 5,587,028,850.55
  5. Step 5: Solve for x
    x = 5,587,028,850.55/112,128.04
  6. Step 6: Final answer
    x = 49,827.23

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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.