Home / 146,099.21-219,158.55-51,317.87

Finding the Fourth Proportional to 146,099.21, 219,158.55 and 51,317.87

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Solution

The fourth proportional to 146,099.21, 219,158.55 and 51,317.87 is: 76,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,099.21 : 219,158.55 = 51,317.87 : x
  2. Step 2: Convert to fraction form
    146,099.21/219,158.55 = 51,317.87/x
  3. Step 3: Cross multiply
    146,099.21x = 219,158.55 × 51,317.87
  4. Step 4: Simplify right side
    146,099.21x = 11,246,750,526.18
  5. Step 5: Solve for x
    x = 11,246,750,526.18/146,099.21
  6. Step 6: Final answer
    x = 76,980.23

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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.