Home / 147,260.30-220,890.45-136,434.65

Finding the Fourth Proportional to 147,260.30, 220,890.45 and 136,434.65

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Solution

The fourth proportional to 147,260.30, 220,890.45 and 136,434.65 is: 204,651.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,260.30 : 220,890.45 = 136,434.65 : x
  2. Step 2: Convert to fraction form
    147,260.30/220,890.45 = 136,434.65/x
  3. Step 3: Cross multiply
    147,260.30x = 220,890.45 × 136,434.65
  4. Step 4: Simplify right side
    147,260.30x = 30,137,111,234.09
  5. Step 5: Solve for x
    x = 30,137,111,234.09/147,260.30
  6. Step 6: Final answer
    x = 204,651.98

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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.