Home / 134,874.32-202,435.67-68,361.57

Finding the Fourth Proportional to 134,874.32, 202,435.67 and 68,361.57

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Solution

The fourth proportional to 134,874.32, 202,435.67 and 68,361.57 is: 102,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,874.32 : 202,435.67 = 68,361.57 : x
  2. Step 2: Convert to fraction form
    134,874.32/202,435.67 = 68,361.57/x
  3. Step 3: Cross multiply
    134,874.32x = 202,435.67 × 68,361.57
  4. Step 4: Simplify right side
    134,874.32x = 13,838,820,396.11
  5. Step 5: Solve for x
    x = 13,838,820,396.11/134,874.32
  6. Step 6: Final answer
    x = 102,605.31

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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.