Home / 146,633.48-219,942.93-85,877.90

Finding the Fourth Proportional to 146,633.48, 219,942.93 and 85,877.90

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Solution

The fourth proportional to 146,633.48, 219,942.93 and 85,877.90 is: 128,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,633.48 : 219,942.93 = 85,877.90 : x
  2. Step 2: Convert to fraction form
    146,633.48/219,942.93 = 85,877.90/x
  3. Step 3: Cross multiply
    146,633.48x = 219,942.93 × 85,877.90
  4. Step 4: Simplify right side
    146,633.48x = 18,888,236,948.25
  5. Step 5: Solve for x
    x = 18,888,236,948.25/146,633.48
  6. Step 6: Final answer
    x = 128,812.58

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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.