Home / 192,810.20-288,838.64-132,828.08

Finding the Fourth Proportional to 192,810.20, 288,838.64 and 132,828.08

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Solution

The fourth proportional to 192,810.20, 288,838.64 and 132,828.08 is: 198,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,810.20 : 288,838.64 = 132,828.08 : x
  2. Step 2: Convert to fraction form
    192,810.20/288,838.64 = 132,828.08/x
  3. Step 3: Cross multiply
    192,810.20x = 288,838.64 × 132,828.08
  4. Step 4: Simplify right side
    192,810.20x = 38,365,880,868.89
  5. Step 5: Solve for x
    x = 38,365,880,868.89/192,810.20
  6. Step 6: Final answer
    x = 198,982.64

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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.