Home / 94,308.75-130,146.94-51,288.65

Finding the Fourth Proportional to 94,308.75, 130,146.94 and 51,288.65

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Solution

The fourth proportional to 94,308.75, 130,146.94 and 51,288.65 is: 70,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,308.75 : 130,146.94 = 51,288.65 : x
  2. Step 2: Convert to fraction form
    94,308.75/130,146.94 = 51,288.65/x
  3. Step 3: Cross multiply
    94,308.75x = 130,146.94 × 51,288.65
  4. Step 4: Simplify right side
    94,308.75x = 6,675,060,755.66
  5. Step 5: Solve for x
    x = 6,675,060,755.66/94,308.75
  6. Step 6: Final answer
    x = 70,778.81

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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.