Home / 132,738.60-199,338.30-70,530.60

Finding the Fourth Proportional to 132,738.60, 199,338.30 and 70,530.60

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Solution

The fourth proportional to 132,738.60, 199,338.30 and 70,530.60 is: 105,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,738.60 : 199,338.30 = 70,530.60 : x
  2. Step 2: Convert to fraction form
    132,738.60/199,338.30 = 70,530.60/x
  3. Step 3: Cross multiply
    132,738.60x = 199,338.30 × 70,530.60
  4. Step 4: Simplify right side
    132,738.60x = 14,059,449,901.98
  5. Step 5: Solve for x
    x = 14,059,449,901.98/132,738.60
  6. Step 6: Final answer
    x = 105,918.32

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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.