Home / 229,880.66-344,709.93-80,117.42

Finding the Fourth Proportional to 229,880.66, 344,709.93 and 80,117.42

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Solution

The fourth proportional to 229,880.66, 344,709.93 and 80,117.42 is: 120,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,880.66 : 344,709.93 = 80,117.42 : x
  2. Step 2: Convert to fraction form
    229,880.66/344,709.93 = 80,117.42/x
  3. Step 3: Cross multiply
    229,880.66x = 344,709.93 × 80,117.42
  4. Step 4: Simplify right side
    229,880.66x = 27,617,270,239.98
  5. Step 5: Solve for x
    x = 27,617,270,239.98/229,880.66
  6. Step 6: Final answer
    x = 120,137.42

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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.