Home / 146,531.40-219,797.10-129,618.60

Finding the Fourth Proportional to 146,531.40, 219,797.10 and 129,618.60

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Solution

The fourth proportional to 146,531.40, 219,797.10 and 129,618.60 is: 194,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,531.40 : 219,797.10 = 129,618.60 : x
  2. Step 2: Convert to fraction form
    146,531.40/219,797.10 = 129,618.60/x
  3. Step 3: Cross multiply
    146,531.40x = 219,797.10 × 129,618.60
  4. Step 4: Simplify right side
    146,531.40x = 28,489,792,386.06
  5. Step 5: Solve for x
    x = 28,489,792,386.06/146,531.40
  6. Step 6: Final answer
    x = 194,427.90

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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.