Home / 134,790.45-202,079.12-67,287.84

Finding the Fourth Proportional to 134,790.45, 202,079.12 and 67,287.84

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Solution

The fourth proportional to 134,790.45, 202,079.12 and 67,287.84 is: 100,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,790.45 : 202,079.12 = 67,287.84 : x
  2. Step 2: Convert to fraction form
    134,790.45/202,079.12 = 67,287.84/x
  3. Step 3: Cross multiply
    134,790.45x = 202,079.12 × 67,287.84
  4. Step 4: Simplify right side
    134,790.45x = 13,597,467,493.90
  5. Step 5: Solve for x
    x = 13,597,467,493.90/134,790.45
  6. Step 6: Final answer
    x = 100,878.57

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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.