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Finding the Fourth Proportional to 101,525.60, 151,996.80 and 89,861.60

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Solution

The fourth proportional to 101,525.60, 151,996.80 and 89,861.60 is: 134,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,525.60 : 151,996.80 = 89,861.60 : x
  2. Step 2: Convert to fraction form
    101,525.60/151,996.80 = 89,861.60/x
  3. Step 3: Cross multiply
    101,525.60x = 151,996.80 × 89,861.60
  4. Step 4: Simplify right side
    101,525.60x = 13,658,675,642.88
  5. Step 5: Solve for x
    x = 13,658,675,642.88/101,525.60
  6. Step 6: Final answer
    x = 134,534.30

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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.