Home / 106,443.40-159,722.70-47,288.20

Finding the Fourth Proportional to 106,443.40, 159,722.70 and 47,288.20

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Solution

The fourth proportional to 106,443.40, 159,722.70 and 47,288.20 is: 70,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,443.40 : 159,722.70 = 47,288.20 : x
  2. Step 2: Convert to fraction form
    106,443.40/159,722.70 = 47,288.20/x
  3. Step 3: Cross multiply
    106,443.40x = 159,722.70 × 47,288.20
  4. Step 4: Simplify right side
    106,443.40x = 7,552,998,982.14
  5. Step 5: Solve for x
    x = 7,552,998,982.14/106,443.40
  6. Step 6: Final answer
    x = 70,957.89

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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.