Home / 173,138.10-259,901.55-133,869.30

Finding the Fourth Proportional to 173,138.10, 259,901.55 and 133,869.30

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Solution

The fourth proportional to 173,138.10, 259,901.55 and 133,869.30 is: 200,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,138.10 : 259,901.55 = 133,869.30 : x
  2. Step 2: Convert to fraction form
    173,138.10/259,901.55 = 133,869.30/x
  3. Step 3: Cross multiply
    173,138.10x = 259,901.55 × 133,869.30
  4. Step 4: Simplify right side
    173,138.10x = 34,792,838,567.42
  5. Step 5: Solve for x
    x = 34,792,838,567.42/173,138.10
  6. Step 6: Final answer
    x = 200,954.26

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1.5x scale

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.