Home / 126,935.02-190,353.30-67,738.40

Finding the Fourth Proportional to 126,935.02, 190,353.30 and 67,738.40

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Solution

The fourth proportional to 126,935.02, 190,353.30 and 67,738.40 is: 101,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,935.02 : 190,353.30 = 67,738.40 : x
  2. Step 2: Convert to fraction form
    126,935.02/190,353.30 = 67,738.40/x
  3. Step 3: Cross multiply
    126,935.02x = 190,353.30 × 67,738.40
  4. Step 4: Simplify right side
    126,935.02x = 12,894,227,976.72
  5. Step 5: Solve for x
    x = 12,894,227,976.72/126,935.02
  6. Step 6: Final answer
    x = 101,581.33

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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.