Home / 79,329.60-119,095.82-68,156.42

Finding the Fourth Proportional to 79,329.60, 119,095.82 and 68,156.42

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Solution

The fourth proportional to 79,329.60, 119,095.82 and 68,156.42 is: 102,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,329.60 : 119,095.82 = 68,156.42 : x
  2. Step 2: Convert to fraction form
    79,329.60/119,095.82 = 68,156.42/x
  3. Step 3: Cross multiply
    79,329.60x = 119,095.82 × 68,156.42
  4. Step 4: Simplify right side
    79,329.60x = 8,117,144,728.16
  5. Step 5: Solve for x
    x = 8,117,144,728.16/79,329.60
  6. Step 6: Final answer
    x = 102,321.77

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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.