Home / 99,273.16-148,911.28-31,817.88

Finding the Fourth Proportional to 99,273.16, 148,911.28 and 31,817.88

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Solution

The fourth proportional to 99,273.16, 148,911.28 and 31,817.88 is: 47,727.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,273.16 : 148,911.28 = 31,817.88 : x
  2. Step 2: Convert to fraction form
    99,273.16/148,911.28 = 31,817.88/x
  3. Step 3: Cross multiply
    99,273.16x = 148,911.28 × 31,817.88
  4. Step 4: Simplify right side
    99,273.16x = 4,738,040,334.04
  5. Step 5: Solve for x
    x = 4,738,040,334.04/99,273.16
  6. Step 6: Final answer
    x = 47,727.31

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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.