Home / 115,379.60-173,176.28-71,092.88

Finding the Fourth Proportional to 115,379.60, 173,176.28 and 71,092.88

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Solution

The fourth proportional to 115,379.60, 173,176.28 and 71,092.88 is: 106,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,379.60 : 173,176.28 = 71,092.88 : x
  2. Step 2: Convert to fraction form
    115,379.60/173,176.28 = 71,092.88/x
  3. Step 3: Cross multiply
    115,379.60x = 173,176.28 × 71,092.88
  4. Step 4: Simplify right side
    115,379.60x = 12,311,600,492.89
  5. Step 5: Solve for x
    x = 12,311,600,492.89/115,379.60
  6. Step 6: Final answer
    x = 106,705.18

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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.