Home / 106,017.80-159,002.10-31,117.83

Finding the Fourth Proportional to 106,017.80, 159,002.10 and 31,117.83

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Solution

The fourth proportional to 106,017.80, 159,002.10 and 31,117.83 is: 46,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,017.80 : 159,002.10 = 31,117.83 : x
  2. Step 2: Convert to fraction form
    106,017.80/159,002.10 = 31,117.83/x
  3. Step 3: Cross multiply
    106,017.80x = 159,002.10 × 31,117.83
  4. Step 4: Simplify right side
    106,017.80x = 4,947,800,317.44
  5. Step 5: Solve for x
    x = 4,947,800,317.44/106,017.80
  6. Step 6: Final answer
    x = 46,669.52

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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.