Home / 143,225.10-214,735.46-67,281.26

Finding the Fourth Proportional to 143,225.10, 214,735.46 and 67,281.26

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Solution

The fourth proportional to 143,225.10, 214,735.46 and 67,281.26 is: 100,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,225.10 : 214,735.46 = 67,281.26 : x
  2. Step 2: Convert to fraction form
    143,225.10/214,735.46 = 67,281.26/x
  3. Step 3: Cross multiply
    143,225.10x = 214,735.46 × 67,281.26
  4. Step 4: Simplify right side
    143,225.10x = 14,447,670,905.40
  5. Step 5: Solve for x
    x = 14,447,670,905.40/143,225.10
  6. Step 6: Final answer
    x = 100,873.88

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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.