Home / 126,535.68-189,803.78-37,782.21

Finding the Fourth Proportional to 126,535.68, 189,803.78 and 37,782.21

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Solution

The fourth proportional to 126,535.68, 189,803.78 and 37,782.21 is: 56,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,535.68 : 189,803.78 = 37,782.21 : x
  2. Step 2: Convert to fraction form
    126,535.68/189,803.78 = 37,782.21/x
  3. Step 3: Cross multiply
    126,535.68x = 189,803.78 × 37,782.21
  4. Step 4: Simplify right side
    126,535.68x = 7,171,206,939.29
  5. Step 5: Solve for x
    x = 7,171,206,939.29/126,535.68
  6. Step 6: Final answer
    x = 56,673.40

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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.