Home / 146,539.40-219,809.10-101,438.60

Finding the Fourth Proportional to 146,539.40, 219,809.10 and 101,438.60

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Solution

The fourth proportional to 146,539.40, 219,809.10 and 101,438.60 is: 152,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,539.40 : 219,809.10 = 101,438.60 : x
  2. Step 2: Convert to fraction form
    146,539.40/219,809.10 = 101,438.60/x
  3. Step 3: Cross multiply
    146,539.40x = 219,809.10 × 101,438.60
  4. Step 4: Simplify right side
    146,539.40x = 22,297,127,371.26
  5. Step 5: Solve for x
    x = 22,297,127,371.26/146,539.40
  6. Step 6: Final answer
    x = 152,157.90

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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.