Home / 89,390.71-134,103.35-30,236.01

Finding the Fourth Proportional to 89,390.71, 134,103.35 and 30,236.01

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Solution

The fourth proportional to 89,390.71, 134,103.35 and 30,236.01 is: 45,359.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,390.71 : 134,103.35 = 30,236.01 : x
  2. Step 2: Convert to fraction form
    89,390.71/134,103.35 = 30,236.01/x
  3. Step 3: Cross multiply
    89,390.71x = 134,103.35 × 30,236.01
  4. Step 4: Simplify right side
    89,390.71x = 4,054,750,231.63
  5. Step 5: Solve for x
    x = 4,054,750,231.63/89,390.71
  6. Step 6: Final answer
    x = 45,359.86

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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.