Home / 106,596.45-159,880.11-31,728.15

Finding the Fourth Proportional to 106,596.45, 159,880.11 and 31,728.15

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Solution

The fourth proportional to 106,596.45, 159,880.11 and 31,728.15 is: 47,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,596.45 : 159,880.11 = 31,728.15 : x
  2. Step 2: Convert to fraction form
    106,596.45/159,880.11 = 31,728.15/x
  3. Step 3: Cross multiply
    106,596.45x = 159,880.11 × 31,728.15
  4. Step 4: Simplify right side
    106,596.45x = 5,072,700,112.10
  5. Step 5: Solve for x
    x = 5,072,700,112.10/106,596.45
  6. Step 6: Final answer
    x = 47,587.89

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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.