Home / 136,389.78-204,445.26-92,021.04

Finding the Fourth Proportional to 136,389.78, 204,445.26 and 92,021.04

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Solution

The fourth proportional to 136,389.78, 204,445.26 and 92,021.04 is: 137,937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,389.78 : 204,445.26 = 92,021.04 : x
  2. Step 2: Convert to fraction form
    136,389.78/204,445.26 = 92,021.04/x
  3. Step 3: Cross multiply
    136,389.78x = 204,445.26 × 92,021.04
  4. Step 4: Simplify right side
    136,389.78x = 18,813,265,448.27
  5. Step 5: Solve for x
    x = 18,813,265,448.27/136,389.78
  6. Step 6: Final answer
    x = 137,937.50

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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.