Home / 99,518.40-149,277.60-55,122.30

Finding the Fourth Proportional to 99,518.40, 149,277.60 and 55,122.30

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Solution

The fourth proportional to 99,518.40, 149,277.60 and 55,122.30 is: 82,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,518.40 : 149,277.60 = 55,122.30 : x
  2. Step 2: Convert to fraction form
    99,518.40/149,277.60 = 55,122.30/x
  3. Step 3: Cross multiply
    99,518.40x = 149,277.60 × 55,122.30
  4. Step 4: Simplify right side
    99,518.40x = 8,228,524,650.48
  5. Step 5: Solve for x
    x = 8,228,524,650.48/99,518.40
  6. Step 6: Final answer
    x = 82,683.45

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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.