Home / 129,974.80-179,448.60-106,158.64

Finding the Fourth Proportional to 129,974.80, 179,448.60 and 106,158.64

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Solution

The fourth proportional to 129,974.80, 179,448.60 and 106,158.64 is: 146,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,974.80 : 179,448.60 = 106,158.64 : x
  2. Step 2: Convert to fraction form
    129,974.80/179,448.60 = 106,158.64/x
  3. Step 3: Cross multiply
    129,974.80x = 179,448.60 × 106,158.64
  4. Step 4: Simplify right side
    129,974.80x = 19,050,019,325.90
  5. Step 5: Solve for x
    x = 19,050,019,325.90/129,974.80
  6. Step 6: Final answer
    x = 146,567.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.