Home / 146,116.70-219,023.85-79,415.90

Finding the Fourth Proportional to 146,116.70, 219,023.85 and 79,415.90

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Solution

The fourth proportional to 146,116.70, 219,023.85 and 79,415.90 is: 119,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,116.70 : 219,023.85 = 79,415.90 : x
  2. Step 2: Convert to fraction form
    146,116.70/219,023.85 = 79,415.90/x
  3. Step 3: Cross multiply
    146,116.70x = 219,023.85 × 79,415.90
  4. Step 4: Simplify right side
    146,116.70x = 17,393,976,169.22
  5. Step 5: Solve for x
    x = 17,393,976,169.22/146,116.70
  6. Step 6: Final answer
    x = 119,041.67

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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.