Home / 89,348.55-134,037.41-30,187.77

Finding the Fourth Proportional to 89,348.55, 134,037.41 and 30,187.77

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Solution

The fourth proportional to 89,348.55, 134,037.41 and 30,187.77 is: 45,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,348.55 : 134,037.41 = 30,187.77 : x
  2. Step 2: Convert to fraction form
    89,348.55/134,037.41 = 30,187.77/x
  3. Step 3: Cross multiply
    89,348.55x = 134,037.41 × 30,187.77
  4. Step 4: Simplify right side
    89,348.55x = 4,046,290,353.54
  5. Step 5: Solve for x
    x = 4,046,290,353.54/89,348.55
  6. Step 6: Final answer
    x = 45,286.58

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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.