Home / 133,039.10-199,230.60-88,424.30

Finding the Fourth Proportional to 133,039.10, 199,230.60 and 88,424.30

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Solution

The fourth proportional to 133,039.10, 199,230.60 and 88,424.30 is: 132,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,039.10 : 199,230.60 = 88,424.30 : x
  2. Step 2: Convert to fraction form
    133,039.10/199,230.60 = 88,424.30/x
  3. Step 3: Cross multiply
    133,039.10x = 199,230.60 × 88,424.30
  4. Step 4: Simplify right side
    133,039.10x = 17,616,826,343.58
  5. Step 5: Solve for x
    x = 17,616,826,343.58/133,039.10
  6. Step 6: Final answer
    x = 132,418.41

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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.