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Finding the Fourth Proportional to 173,334.40, 260,025.90 and 68,128.90

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Solution

The fourth proportional to 173,334.40, 260,025.90 and 68,128.90 is: 102,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,334.40 : 260,025.90 = 68,128.90 : x
  2. Step 2: Convert to fraction form
    173,334.40/260,025.90 = 68,128.90/x
  3. Step 3: Cross multiply
    173,334.40x = 260,025.90 × 68,128.90
  4. Step 4: Simplify right side
    173,334.40x = 17,715,278,538.51
  5. Step 5: Solve for x
    x = 17,715,278,538.51/173,334.40
  6. Step 6: Final answer
    x = 102,202.90

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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.