Home / 126,630.08-189,939.84-33,133.76

Finding the Fourth Proportional to 126,630.08, 189,939.84 and 33,133.76

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Solution

The fourth proportional to 126,630.08, 189,939.84 and 33,133.76 is: 49,699.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,630.08 : 189,939.84 = 33,133.76 : x
  2. Step 2: Convert to fraction form
    126,630.08/189,939.84 = 33,133.76/x
  3. Step 3: Cross multiply
    126,630.08x = 189,939.84 × 33,133.76
  4. Step 4: Simplify right side
    126,630.08x = 6,293,421,073.00
  5. Step 5: Solve for x
    x = 6,293,421,073.00/126,630.08
  6. Step 6: Final answer
    x = 49,699.26

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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.