Home / 127,249.92-190,809.63-67,310.76

Finding the Fourth Proportional to 127,249.92, 190,809.63 and 67,310.76

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Solution

The fourth proportional to 127,249.92, 190,809.63 and 67,310.76 is: 100,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,249.92 : 190,809.63 = 67,310.76 : x
  2. Step 2: Convert to fraction form
    127,249.92/190,809.63 = 67,310.76/x
  3. Step 3: Cross multiply
    127,249.92x = 190,809.63 × 67,310.76
  4. Step 4: Simplify right side
    127,249.92x = 12,843,541,210.62
  5. Step 5: Solve for x
    x = 12,843,541,210.62/127,249.92
  6. Step 6: Final answer
    x = 100,931.63

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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.