Home / 155,910.30-233,974.80-99,886.65

Finding the Fourth Proportional to 155,910.30, 233,974.80 and 99,886.65

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Solution

The fourth proportional to 155,910.30, 233,974.80 and 99,886.65 is: 149,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,910.30 : 233,974.80 = 99,886.65 : x
  2. Step 2: Convert to fraction form
    155,910.30/233,974.80 = 99,886.65/x
  3. Step 3: Cross multiply
    155,910.30x = 233,974.80 × 99,886.65
  4. Step 4: Simplify right side
    155,910.30x = 23,370,958,956.42
  5. Step 5: Solve for x
    x = 23,370,958,956.42/155,910.30
  6. Step 6: Final answer
    x = 149,900.03

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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.