Home / 126,696.76-190,047.87-60,143.72

Finding the Fourth Proportional to 126,696.76, 190,047.87 and 60,143.72

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Solution

The fourth proportional to 126,696.76, 190,047.87 and 60,143.72 is: 90,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,696.76 : 190,047.87 = 60,143.72 : x
  2. Step 2: Convert to fraction form
    126,696.76/190,047.87 = 60,143.72/x
  3. Step 3: Cross multiply
    126,696.76x = 190,047.87 × 60,143.72
  4. Step 4: Simplify right side
    126,696.76x = 11,430,184,929.64
  5. Step 5: Solve for x
    x = 11,430,184,929.64/126,696.76
  6. Step 6: Final answer
    x = 90,216.87

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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.