Home / 175,245.12-262,876.39-85,370.36

Finding the Fourth Proportional to 175,245.12, 262,876.39 and 85,370.36

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Solution

The fourth proportional to 175,245.12, 262,876.39 and 85,370.36 is: 128,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,245.12 : 262,876.39 = 85,370.36 : x
  2. Step 2: Convert to fraction form
    175,245.12/262,876.39 = 85,370.36/x
  3. Step 3: Cross multiply
    175,245.12x = 262,876.39 × 85,370.36
  4. Step 4: Simplify right side
    175,245.12x = 22,441,850,521.99
  5. Step 5: Solve for x
    x = 22,441,850,521.99/175,245.12
  6. Step 6: Final answer
    x = 128,059.77

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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.