Home / 107,828.12-148,798.86-60,078.98

Finding the Fourth Proportional to 107,828.12, 148,798.86 and 60,078.98

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Solution

The fourth proportional to 107,828.12, 148,798.86 and 60,078.98 is: 82,906.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,828.12 : 148,798.86 = 60,078.98 : x
  2. Step 2: Convert to fraction form
    107,828.12/148,798.86 = 60,078.98/x
  3. Step 3: Cross multiply
    107,828.12x = 148,798.86 × 60,078.98
  4. Step 4: Simplify right side
    107,828.12x = 8,939,683,733.96
  5. Step 5: Solve for x
    x = 8,939,683,733.96/107,828.12
  6. Step 6: Final answer
    x = 82,906.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.