Home / 126,079.76-189,147.32-37,340.21

Finding the Fourth Proportional to 126,079.76, 189,147.32 and 37,340.21

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Solution

The fourth proportional to 126,079.76, 189,147.32 and 37,340.21 is: 56,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,079.76 : 189,147.32 = 37,340.21 : x
  2. Step 2: Convert to fraction form
    126,079.76/189,147.32 = 37,340.21/x
  3. Step 3: Cross multiply
    126,079.76x = 189,147.32 × 37,340.21
  4. Step 4: Simplify right side
    126,079.76x = 7,062,800,649.74
  5. Step 5: Solve for x
    x = 7,062,800,649.74/126,079.76
  6. Step 6: Final answer
    x = 56,018.51

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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.