Home / 146,870.79-220,310.97-69,917.10

Finding the Fourth Proportional to 146,870.79, 220,310.97 and 69,917.10

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Solution

The fourth proportional to 146,870.79, 220,310.97 and 69,917.10 is: 104,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,870.79 : 220,310.97 = 69,917.10 : x
  2. Step 2: Convert to fraction form
    146,870.79/220,310.97 = 69,917.10/x
  3. Step 3: Cross multiply
    146,870.79x = 220,310.97 × 69,917.10
  4. Step 4: Simplify right side
    146,870.79x = 15,403,504,120.59
  5. Step 5: Solve for x
    x = 15,403,504,120.59/146,870.79
  6. Step 6: Final answer
    x = 104,877.93

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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.