Home / 146,899.80-220,422.60-83,768.40

Finding the Fourth Proportional to 146,899.80, 220,422.60 and 83,768.40

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Solution

The fourth proportional to 146,899.80, 220,422.60 and 83,768.40 is: 125,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,899.80 : 220,422.60 = 83,768.40 : x
  2. Step 2: Convert to fraction form
    146,899.80/220,422.60 = 83,768.40/x
  3. Step 3: Cross multiply
    146,899.80x = 220,422.60 × 83,768.40
  4. Step 4: Simplify right side
    146,899.80x = 18,464,448,525.84
  5. Step 5: Solve for x
    x = 18,464,448,525.84/146,899.80
  6. Step 6: Final answer
    x = 125,694.17

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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.