Home / 146,219.39-218,830.05-122,553.65

Finding the Fourth Proportional to 146,219.39, 218,830.05 and 122,553.65

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Solution

The fourth proportional to 146,219.39, 218,830.05 and 122,553.65 is: 183,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,219.39 : 218,830.05 = 122,553.65 : x
  2. Step 2: Convert to fraction form
    146,219.39/218,830.05 = 122,553.65/x
  3. Step 3: Cross multiply
    146,219.39x = 218,830.05 × 122,553.65
  4. Step 4: Simplify right side
    146,219.39x = 26,818,420,263.03
  5. Step 5: Solve for x
    x = 26,818,420,263.03/146,219.39
  6. Step 6: Final answer
    x = 183,412.21

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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.