Home / 133,015.20-199,522.80-83,151.60

Finding the Fourth Proportional to 133,015.20, 199,522.80 and 83,151.60

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Solution

The fourth proportional to 133,015.20, 199,522.80 and 83,151.60 is: 124,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,015.20 : 199,522.80 = 83,151.60 : x
  2. Step 2: Convert to fraction form
    133,015.20/199,522.80 = 83,151.60/x
  3. Step 3: Cross multiply
    133,015.20x = 199,522.80 × 83,151.60
  4. Step 4: Simplify right side
    133,015.20x = 16,590,640,056.48
  5. Step 5: Solve for x
    x = 16,590,640,056.48/133,015.20
  6. Step 6: Final answer
    x = 124,727.40

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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.