Home / 268,100.71-369,977.54-145,592.03

Finding the Fourth Proportional to 268,100.71, 369,977.54 and 145,592.03

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Solution

The fourth proportional to 268,100.71, 369,977.54 and 145,592.03 is: 200,916.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,100.71 : 369,977.54 = 145,592.03 : x
  2. Step 2: Convert to fraction form
    268,100.71/369,977.54 = 145,592.03/x
  3. Step 3: Cross multiply
    268,100.71x = 369,977.54 × 145,592.03
  4. Step 4: Simplify right side
    268,100.71x = 53,865,781,299.99
  5. Step 5: Solve for x
    x = 53,865,781,299.99/268,100.71
  6. Step 6: Final answer
    x = 200,916.22

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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.