Home / 147,096.72-220,645.08-102,809.97

Finding the Fourth Proportional to 147,096.72, 220,645.08 and 102,809.97

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Solution

The fourth proportional to 147,096.72, 220,645.08 and 102,809.97 is: 154,214.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,096.72 : 220,645.08 = 102,809.97 : x
  2. Step 2: Convert to fraction form
    147,096.72/220,645.08 = 102,809.97/x
  3. Step 3: Cross multiply
    147,096.72x = 220,645.08 × 102,809.97
  4. Step 4: Simplify right side
    147,096.72x = 22,684,514,055.45
  5. Step 5: Solve for x
    x = 22,684,514,055.45/147,096.72
  6. Step 6: Final answer
    x = 154,214.96

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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.