Home / 127,429.92-191,025.42-43,131.09

Finding the Fourth Proportional to 127,429.92, 191,025.42 and 43,131.09

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Solution

The fourth proportional to 127,429.92, 191,025.42 and 43,131.09 is: 64,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,429.92 : 191,025.42 = 43,131.09 : x
  2. Step 2: Convert to fraction form
    127,429.92/191,025.42 = 43,131.09/x
  3. Step 3: Cross multiply
    127,429.92x = 191,025.42 × 43,131.09
  4. Step 4: Simplify right side
    127,429.92x = 8,239,134,582.31
  5. Step 5: Solve for x
    x = 8,239,134,582.31/127,429.92
  6. Step 6: Final answer
    x = 64,656.20

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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.