Home / 134,260.36-185,284.02-76,910.20

Finding the Fourth Proportional to 134,260.36, 185,284.02 and 76,910.20

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Solution

The fourth proportional to 134,260.36, 185,284.02 and 76,910.20 is: 106,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,260.36 : 185,284.02 = 76,910.20 : x
  2. Step 2: Convert to fraction form
    134,260.36/185,284.02 = 76,910.20/x
  3. Step 3: Cross multiply
    134,260.36x = 185,284.02 × 76,910.20
  4. Step 4: Simplify right side
    134,260.36x = 14,250,231,035.00
  5. Step 5: Solve for x
    x = 14,250,231,035.00/134,260.36
  6. Step 6: Final answer
    x = 106,138.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.