Home / 146,011.80-218,855.70-57,235.80

Finding the Fourth Proportional to 146,011.80, 218,855.70 and 57,235.80

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Solution

The fourth proportional to 146,011.80, 218,855.70 and 57,235.80 is: 85,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,011.80 : 218,855.70 = 57,235.80 : x
  2. Step 2: Convert to fraction form
    146,011.80/218,855.70 = 57,235.80/x
  3. Step 3: Cross multiply
    146,011.80x = 218,855.70 × 57,235.80
  4. Step 4: Simplify right side
    146,011.80x = 12,526,381,074.06
  5. Step 5: Solve for x
    x = 12,526,381,074.06/146,011.80
  6. Step 6: Final answer
    x = 85,790.20

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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.