Home / 106,384.86-159,555.18-31,487.43

Finding the Fourth Proportional to 106,384.86, 159,555.18 and 31,487.43

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Solution

The fourth proportional to 106,384.86, 159,555.18 and 31,487.43 is: 47,224.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,384.86 : 159,555.18 = 31,487.43 : x
  2. Step 2: Convert to fraction form
    106,384.86/159,555.18 = 31,487.43/x
  3. Step 3: Cross multiply
    106,384.86x = 159,555.18 × 31,487.43
  4. Step 4: Simplify right side
    106,384.86x = 5,023,983,277.80
  5. Step 5: Solve for x
    x = 5,023,983,277.80/106,384.86
  6. Step 6: Final answer
    x = 47,224.61

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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.