Home / 126,220.88-189,331.26-37,474.34

Finding the Fourth Proportional to 126,220.88, 189,331.26 and 37,474.34

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Solution

The fourth proportional to 126,220.88, 189,331.26 and 37,474.34 is: 56,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,220.88 : 189,331.26 = 37,474.34 : x
  2. Step 2: Convert to fraction form
    126,220.88/189,331.26 = 37,474.34/x
  3. Step 3: Cross multiply
    126,220.88x = 189,331.26 × 37,474.34
  4. Step 4: Simplify right side
    126,220.88x = 7,095,064,009.87
  5. Step 5: Solve for x
    x = 7,095,064,009.87/126,220.88
  6. Step 6: Final answer
    x = 56,211.49

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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.