Home / 142,801.70-214,202.55-109,624.10

Finding the Fourth Proportional to 142,801.70, 214,202.55 and 109,624.10

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Solution

The fourth proportional to 142,801.70, 214,202.55 and 109,624.10 is: 164,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,801.70 : 214,202.55 = 109,624.10 : x
  2. Step 2: Convert to fraction form
    142,801.70/214,202.55 = 109,624.10/x
  3. Step 3: Cross multiply
    142,801.70x = 214,202.55 × 109,624.10
  4. Step 4: Simplify right side
    142,801.70x = 23,481,761,761.46
  5. Step 5: Solve for x
    x = 23,481,761,761.46/142,801.70
  6. Step 6: Final answer
    x = 164,436.15

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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.