Home / 106,234.20-159,351.30-72,554.40

Finding the Fourth Proportional to 106,234.20, 159,351.30 and 72,554.40

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Solution

The fourth proportional to 106,234.20, 159,351.30 and 72,554.40 is: 108,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,234.20 : 159,351.30 = 72,554.40 : x
  2. Step 2: Convert to fraction form
    106,234.20/159,351.30 = 72,554.40/x
  3. Step 3: Cross multiply
    106,234.20x = 159,351.30 × 72,554.40
  4. Step 4: Simplify right side
    106,234.20x = 11,561,637,960.72
  5. Step 5: Solve for x
    x = 11,561,637,960.72/106,234.20
  6. Step 6: Final answer
    x = 108,831.60

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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.