Home / 146,260.80-219,326.40-67,399.20

Finding the Fourth Proportional to 146,260.80, 219,326.40 and 67,399.20

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Solution

The fourth proportional to 146,260.80, 219,326.40 and 67,399.20 is: 101,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,260.80 : 219,326.40 = 67,399.20 : x
  2. Step 2: Convert to fraction form
    146,260.80/219,326.40 = 67,399.20/x
  3. Step 3: Cross multiply
    146,260.80x = 219,326.40 × 67,399.20
  4. Step 4: Simplify right side
    146,260.80x = 14,782,423,898.88
  5. Step 5: Solve for x
    x = 14,782,423,898.88/146,260.80
  6. Step 6: Final answer
    x = 101,068.94

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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.