Home / 126,113.90-189,040.48-58,590.85

Finding the Fourth Proportional to 126,113.90, 189,040.48 and 58,590.85

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Solution

The fourth proportional to 126,113.90, 189,040.48 and 58,590.85 is: 87,825.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,113.90 : 189,040.48 = 58,590.85 : x
  2. Step 2: Convert to fraction form
    126,113.90/189,040.48 = 58,590.85/x
  3. Step 3: Cross multiply
    126,113.90x = 189,040.48 × 58,590.85
  4. Step 4: Simplify right side
    126,113.90x = 11,076,042,472.55
  5. Step 5: Solve for x
    x = 11,076,042,472.55/126,113.90
  6. Step 6: Final answer
    x = 87,825.71

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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.