Home / 146,474.70-219,720.63-56,517.90

Finding the Fourth Proportional to 146,474.70, 219,720.63 and 56,517.90

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Solution

The fourth proportional to 146,474.70, 219,720.63 and 56,517.90 is: 84,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,474.70 : 219,720.63 = 56,517.90 : x
  2. Step 2: Convert to fraction form
    146,474.70/219,720.63 = 56,517.90/x
  3. Step 3: Cross multiply
    146,474.70x = 219,720.63 × 56,517.90
  4. Step 4: Simplify right side
    146,474.70x = 12,418,148,741.33
  5. Step 5: Solve for x
    x = 12,418,148,741.33/146,474.70
  6. Step 6: Final answer
    x = 84,780.16

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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.