Home / 115,299.40-172,920.30-44,206.60

Finding the Fourth Proportional to 115,299.40, 172,920.30 and 44,206.60

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Solution

The fourth proportional to 115,299.40, 172,920.30 and 44,206.60 is: 66,298.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,299.40 : 172,920.30 = 44,206.60 : x
  2. Step 2: Convert to fraction form
    115,299.40/172,920.30 = 44,206.60/x
  3. Step 3: Cross multiply
    115,299.40x = 172,920.30 × 44,206.60
  4. Step 4: Simplify right side
    115,299.40x = 7,644,218,533.98
  5. Step 5: Solve for x
    x = 7,644,218,533.98/115,299.40
  6. Step 6: Final answer
    x = 66,298.86

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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.