Home / 101,618.40-152,427.60-31,504.80

Finding the Fourth Proportional to 101,618.40, 152,427.60 and 31,504.80

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Solution

The fourth proportional to 101,618.40, 152,427.60 and 31,504.80 is: 47,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,618.40 : 152,427.60 = 31,504.80 : x
  2. Step 2: Convert to fraction form
    101,618.40/152,427.60 = 31,504.80/x
  3. Step 3: Cross multiply
    101,618.40x = 152,427.60 × 31,504.80
  4. Step 4: Simplify right side
    101,618.40x = 4,802,201,052.48
  5. Step 5: Solve for x
    x = 4,802,201,052.48/101,618.40
  6. Step 6: Final answer
    x = 47,257.20

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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.