Home / 106,403.28-159,586.92-31,521.84

Finding the Fourth Proportional to 106,403.28, 159,586.92 and 31,521.84

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Solution

The fourth proportional to 106,403.28, 159,586.92 and 31,521.84 is: 47,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,403.28 : 159,586.92 = 31,521.84 : x
  2. Step 2: Convert to fraction form
    106,403.28/159,586.92 = 31,521.84/x
  3. Step 3: Cross multiply
    106,403.28x = 159,586.92 × 31,521.84
  4. Step 4: Simplify right side
    106,403.28x = 5,030,473,358.33
  5. Step 5: Solve for x
    x = 5,030,473,358.33/106,403.28
  6. Step 6: Final answer
    x = 47,277.43

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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.