Home / 126,937.58-190,401.74-51,059.62

Finding the Fourth Proportional to 126,937.58, 190,401.74 and 51,059.62

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Solution

The fourth proportional to 126,937.58, 190,401.74 and 51,059.62 is: 76,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,937.58 : 190,401.74 = 51,059.62 : x
  2. Step 2: Convert to fraction form
    126,937.58/190,401.74 = 51,059.62/x
  3. Step 3: Cross multiply
    126,937.58x = 190,401.74 × 51,059.62
  4. Step 4: Simplify right side
    126,937.58x = 9,721,840,143.38
  5. Step 5: Solve for x
    x = 9,721,840,143.38/126,937.58
  6. Step 6: Final answer
    x = 76,587.56

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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.