Home / 101,729.40-152,615.97-42,534.60

Finding the Fourth Proportional to 101,729.40, 152,615.97 and 42,534.60

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Solution

The fourth proportional to 101,729.40, 152,615.97 and 42,534.60 is: 63,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,729.40 : 152,615.97 = 42,534.60 : x
  2. Step 2: Convert to fraction form
    101,729.40/152,615.97 = 42,534.60/x
  3. Step 3: Cross multiply
    101,729.40x = 152,615.97 × 42,534.60
  4. Step 4: Simplify right side
    101,729.40x = 6,491,459,237.56
  5. Step 5: Solve for x
    x = 6,491,459,237.56/101,729.40
  6. Step 6: Final answer
    x = 63,811.04

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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.