Home / 126,615.66-189,951.57-47,730.57

Finding the Fourth Proportional to 126,615.66, 189,951.57 and 47,730.57

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Solution

The fourth proportional to 126,615.66, 189,951.57 and 47,730.57 is: 71,606.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,615.66 : 189,951.57 = 47,730.57 : x
  2. Step 2: Convert to fraction form
    126,615.66/189,951.57 = 47,730.57/x
  3. Step 3: Cross multiply
    126,615.66x = 189,951.57 × 47,730.57
  4. Step 4: Simplify right side
    126,615.66x = 9,066,496,708.49
  5. Step 5: Solve for x
    x = 9,066,496,708.49/126,615.66
  6. Step 6: Final answer
    x = 71,606.44

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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.