Home / 106,000.30-159,001.26-31,121.74

Finding the Fourth Proportional to 106,000.30, 159,001.26 and 31,121.74

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Solution

The fourth proportional to 106,000.30, 159,001.26 and 31,121.74 is: 46,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,000.30 : 159,001.26 = 31,121.74 : x
  2. Step 2: Convert to fraction form
    106,000.30/159,001.26 = 31,121.74/x
  3. Step 3: Cross multiply
    106,000.30x = 159,001.26 × 31,121.74
  4. Step 4: Simplify right side
    106,000.30x = 4,948,395,873.39
  5. Step 5: Solve for x
    x = 4,948,395,873.39/106,000.30
  6. Step 6: Final answer
    x = 46,682.85

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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.