Home / 115,572.80-173,063.24-79,984.84

Finding the Fourth Proportional to 115,572.80, 173,063.24 and 79,984.84

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Solution

The fourth proportional to 115,572.80, 173,063.24 and 79,984.84 is: 119,772.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,572.80 : 173,063.24 = 79,984.84 : x
  2. Step 2: Convert to fraction form
    115,572.80/173,063.24 = 79,984.84/x
  3. Step 3: Cross multiply
    115,572.80x = 173,063.24 × 79,984.84
  4. Step 4: Simplify right side
    115,572.80x = 13,842,435,561.28
  5. Step 5: Solve for x
    x = 13,842,435,561.28/115,572.80
  6. Step 6: Final answer
    x = 119,772.43

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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.