Home / 173,207.20-259,810.80-79,895.20

Finding the Fourth Proportional to 173,207.20, 259,810.80 and 79,895.20

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Solution

The fourth proportional to 173,207.20, 259,810.80 and 79,895.20 is: 119,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,207.20 : 259,810.80 = 79,895.20 : x
  2. Step 2: Convert to fraction form
    173,207.20/259,810.80 = 79,895.20/x
  3. Step 3: Cross multiply
    173,207.20x = 259,810.80 × 79,895.20
  4. Step 4: Simplify right side
    173,207.20x = 20,757,635,828.16
  5. Step 5: Solve for x
    x = 20,757,635,828.16/173,207.20
  6. Step 6: Final answer
    x = 119,842.80

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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.