Home / 84,902.20-127,353.30-40,615.45

Finding the Fourth Proportional to 84,902.20, 127,353.30 and 40,615.45

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Solution

The fourth proportional to 84,902.20, 127,353.30 and 40,615.45 is: 60,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,902.20 : 127,353.30 = 40,615.45 : x
  2. Step 2: Convert to fraction form
    84,902.20/127,353.30 = 40,615.45/x
  3. Step 3: Cross multiply
    84,902.20x = 127,353.30 × 40,615.45
  4. Step 4: Simplify right side
    84,902.20x = 5,172,511,588.49
  5. Step 5: Solve for x
    x = 5,172,511,588.49/84,902.20
  6. Step 6: Final answer
    x = 60,923.18

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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.