Home / 146,002.96-219,012.80-40,821.76

Finding the Fourth Proportional to 146,002.96, 219,012.80 and 40,821.76

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Solution

The fourth proportional to 146,002.96, 219,012.80 and 40,821.76 is: 61,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,002.96 : 219,012.80 = 40,821.76 : x
  2. Step 2: Convert to fraction form
    146,002.96/219,012.80 = 40,821.76/x
  3. Step 3: Cross multiply
    146,002.96x = 219,012.80 × 40,821.76
  4. Step 4: Simplify right side
    146,002.96x = 8,940,487,958.53
  5. Step 5: Solve for x
    x = 8,940,487,958.53/146,002.96
  6. Step 6: Final answer
    x = 61,234.98

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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.