Home / 99,756.20-149,634.30-73,512.20

Finding the Fourth Proportional to 99,756.20, 149,634.30 and 73,512.20

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Solution

The fourth proportional to 99,756.20, 149,634.30 and 73,512.20 is: 110,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,756.20 : 149,634.30 = 73,512.20 : x
  2. Step 2: Convert to fraction form
    99,756.20/149,634.30 = 73,512.20/x
  3. Step 3: Cross multiply
    99,756.20x = 149,634.30 × 73,512.20
  4. Step 4: Simplify right side
    99,756.20x = 10,999,946,588.46
  5. Step 5: Solve for x
    x = 10,999,946,588.46/99,756.20
  6. Step 6: Final answer
    x = 110,268.30

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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.