Home / 164,120-246,179.52-126,734.72

Finding the Fourth Proportional to 164,120, 246,179.52 and 126,734.72

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Solution

The fourth proportional to 164,120, 246,179.52 and 126,734.72 is: 190,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,120 : 246,179.52 = 126,734.72 : x
  2. Step 2: Convert to fraction form
    164,120/246,179.52 = 126,734.72/x
  3. Step 3: Cross multiply
    164,120x = 246,179.52 × 126,734.72
  4. Step 4: Simplify right side
    164,120x = 31,199,492,536.93
  5. Step 5: Solve for x
    x = 31,199,492,536.93/164,120
  6. Step 6: Final answer
    x = 190,101.71

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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.