Home / 146,261.80-219,327.90-67,400.20

Finding the Fourth Proportional to 146,261.80, 219,327.90 and 67,400.20

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Solution

The fourth proportional to 146,261.80, 219,327.90 and 67,400.20 is: 101,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,261.80 : 219,327.90 = 67,400.20 : x
  2. Step 2: Convert to fraction form
    146,261.80/219,327.90 = 67,400.20/x
  3. Step 3: Cross multiply
    146,261.80x = 219,327.90 × 67,400.20
  4. Step 4: Simplify right side
    146,261.80x = 14,782,744,325.58
  5. Step 5: Solve for x
    x = 14,782,744,325.58/146,261.80
  6. Step 6: Final answer
    x = 101,070.44

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1.5x scale

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.