Home / 220,890.38-304,817.78-134,749.91

Finding the Fourth Proportional to 220,890.38, 304,817.78 and 134,749.91

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Solution

The fourth proportional to 220,890.38, 304,817.78 and 134,749.91 is: 185,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,890.38 : 304,817.78 = 134,749.91 : x
  2. Step 2: Convert to fraction form
    220,890.38/304,817.78 = 134,749.91/x
  3. Step 3: Cross multiply
    220,890.38x = 304,817.78 × 134,749.91
  4. Step 4: Simplify right side
    220,890.38x = 41,074,169,520.32
  5. Step 5: Solve for x
    x = 41,074,169,520.32/220,890.38
  6. Step 6: Final answer
    x = 185,948.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.