Home / 126,439.67-189,659.51-37,755.45

Finding the Fourth Proportional to 126,439.67, 189,659.51 and 37,755.45

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Solution

The fourth proportional to 126,439.67, 189,659.51 and 37,755.45 is: 56,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,439.67 : 189,659.51 = 37,755.45 : x
  2. Step 2: Convert to fraction form
    126,439.67/189,659.51 = 37,755.45/x
  3. Step 3: Cross multiply
    126,439.67x = 189,659.51 × 37,755.45
  4. Step 4: Simplify right side
    126,439.67x = 7,160,680,146.83
  5. Step 5: Solve for x
    x = 7,160,680,146.83/126,439.67
  6. Step 6: Final answer
    x = 56,633.18

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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.