Home / 134,179.80-201,039.30-70,906.20

Finding the Fourth Proportional to 134,179.80, 201,039.30 and 70,906.20

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Solution

The fourth proportional to 134,179.80, 201,039.30 and 70,906.20 is: 106,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,179.80 : 201,039.30 = 70,906.20 : x
  2. Step 2: Convert to fraction form
    134,179.80/201,039.30 = 70,906.20/x
  3. Step 3: Cross multiply
    134,179.80x = 201,039.30 × 70,906.20
  4. Step 4: Simplify right side
    134,179.80x = 14,254,932,813.66
  5. Step 5: Solve for x
    x = 14,254,932,813.66/134,179.80
  6. Step 6: Final answer
    x = 106,237.55

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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.