Home / 129,795.96-179,156.72-76,092.60

Finding the Fourth Proportional to 129,795.96, 179,156.72 and 76,092.60

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Solution

The fourth proportional to 129,795.96, 179,156.72 and 76,092.60 is: 105,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,795.96 : 179,156.72 = 76,092.60 : x
  2. Step 2: Convert to fraction form
    129,795.96/179,156.72 = 76,092.60/x
  3. Step 3: Cross multiply
    129,795.96x = 179,156.72 × 76,092.60
  4. Step 4: Simplify right side
    129,795.96x = 13,632,500,632.27
  5. Step 5: Solve for x
    x = 13,632,500,632.27/129,795.96
  6. Step 6: Final answer
    x = 105,030.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.