Home / 146,577.40-219,866.10-129,664.60

Finding the Fourth Proportional to 146,577.40, 219,866.10 and 129,664.60

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Solution

The fourth proportional to 146,577.40, 219,866.10 and 129,664.60 is: 194,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,577.40 : 219,866.10 = 129,664.60 : x
  2. Step 2: Convert to fraction form
    146,577.40/219,866.10 = 129,664.60/x
  3. Step 3: Cross multiply
    146,577.40x = 219,866.10 × 129,664.60
  4. Step 4: Simplify right side
    146,577.40x = 28,508,849,910.06
  5. Step 5: Solve for x
    x = 28,508,849,910.06/146,577.40
  6. Step 6: Final answer
    x = 194,496.90

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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.