Home / 89,934.30-134,903.25-30,837.87

Finding the Fourth Proportional to 89,934.30, 134,903.25 and 30,837.87

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Solution

The fourth proportional to 89,934.30, 134,903.25 and 30,837.87 is: 46,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.30 : 134,903.25 = 30,837.87 : x
  2. Step 2: Convert to fraction form
    89,934.30/134,903.25 = 30,837.87/x
  3. Step 3: Cross multiply
    89,934.30x = 134,903.25 × 30,837.87
  4. Step 4: Simplify right side
    89,934.30x = 4,160,128,886.08
  5. Step 5: Solve for x
    x = 4,160,128,886.08/89,934.30
  6. Step 6: Final answer
    x = 46,257.42

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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.