Home / 146,155.36-219,255.92-61,915.72

Finding the Fourth Proportional to 146,155.36, 219,255.92 and 61,915.72

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Solution

The fourth proportional to 146,155.36, 219,255.92 and 61,915.72 is: 92,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,155.36 : 219,255.92 = 61,915.72 : x
  2. Step 2: Convert to fraction form
    146,155.36/219,255.92 = 61,915.72/x
  3. Step 3: Cross multiply
    146,155.36x = 219,255.92 × 61,915.72
  4. Step 4: Simplify right side
    146,155.36x = 13,575,388,151.06
  5. Step 5: Solve for x
    x = 13,575,388,151.06/146,155.36
  6. Step 6: Final answer
    x = 92,883.27

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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.