Home / 147,009.11-220,338.69-102,394.31

Finding the Fourth Proportional to 147,009.11, 220,338.69 and 102,394.31

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Solution

The fourth proportional to 147,009.11, 220,338.69 and 102,394.31 is: 153,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,009.11 : 220,338.69 = 102,394.31 : x
  2. Step 2: Convert to fraction form
    147,009.11/220,338.69 = 102,394.31/x
  3. Step 3: Cross multiply
    147,009.11x = 220,338.69 × 102,394.31
  4. Step 4: Simplify right side
    147,009.11x = 22,561,427,027.16
  5. Step 5: Solve for x
    x = 22,561,427,027.16/147,009.11
  6. Step 6: Final answer
    x = 153,469.59

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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.