Home / 89,789.26-134,683.88-85,299.46

Finding the Fourth Proportional to 89,789.26, 134,683.88 and 85,299.46

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Solution

The fourth proportional to 89,789.26, 134,683.88 and 85,299.46 is: 127,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,789.26 : 134,683.88 = 85,299.46 : x
  2. Step 2: Convert to fraction form
    89,789.26/134,683.88 = 85,299.46/x
  3. Step 3: Cross multiply
    89,789.26x = 134,683.88 × 85,299.46
  4. Step 4: Simplify right side
    89,789.26x = 11,488,462,111.24
  5. Step 5: Solve for x
    x = 11,488,462,111.24/89,789.26
  6. Step 6: Final answer
    x = 127,949.18

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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.