Home / 146,378.58-219,398.45-67,326.90

Finding the Fourth Proportional to 146,378.58, 219,398.45 and 67,326.90

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Solution

The fourth proportional to 146,378.58, 219,398.45 and 67,326.90 is: 100,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,378.58 : 219,398.45 = 67,326.90 : x
  2. Step 2: Convert to fraction form
    146,378.58/219,398.45 = 67,326.90/x
  3. Step 3: Cross multiply
    146,378.58x = 219,398.45 × 67,326.90
  4. Step 4: Simplify right side
    146,378.58x = 14,771,417,166.67
  5. Step 5: Solve for x
    x = 14,771,417,166.67/146,378.58
  6. Step 6: Final answer
    x = 100,912.42

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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.