Home / 134,766.45-202,313.70-68,172.30

Finding the Fourth Proportional to 134,766.45, 202,313.70 and 68,172.30

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Solution

The fourth proportional to 134,766.45, 202,313.70 and 68,172.30 is: 102,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,766.45 : 202,313.70 = 68,172.30 : x
  2. Step 2: Convert to fraction form
    134,766.45/202,313.70 = 68,172.30/x
  3. Step 3: Cross multiply
    134,766.45x = 202,313.70 × 68,172.30
  4. Step 4: Simplify right side
    134,766.45x = 13,792,190,250.51
  5. Step 5: Solve for x
    x = 13,792,190,250.51/134,766.45
  6. Step 6: Final answer
    x = 102,341.42

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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.