Home / 106,527.35-159,812.90-31,640.83

Finding the Fourth Proportional to 106,527.35, 159,812.90 and 31,640.83

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Solution

The fourth proportional to 106,527.35, 159,812.90 and 31,640.83 is: 47,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,527.35 : 159,812.90 = 31,640.83 : x
  2. Step 2: Convert to fraction form
    106,527.35/159,812.90 = 31,640.83/x
  3. Step 3: Cross multiply
    106,527.35x = 159,812.90 × 31,640.83
  4. Step 4: Simplify right side
    106,527.35x = 5,056,612,242.97
  5. Step 5: Solve for x
    x = 5,056,612,242.97/106,527.35
  6. Step 6: Final answer
    x = 47,467.74

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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.