Home / 89,379.59-134,087.81-26,201.78

Finding the Fourth Proportional to 89,379.59, 134,087.81 and 26,201.78

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Solution

The fourth proportional to 89,379.59, 134,087.81 and 26,201.78 is: 39,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,379.59 : 134,087.81 = 26,201.78 : x
  2. Step 2: Convert to fraction form
    89,379.59/134,087.81 = 26,201.78/x
  3. Step 3: Cross multiply
    89,379.59x = 134,087.81 × 26,201.78
  4. Step 4: Simplify right side
    89,379.59x = 3,513,338,999.68
  5. Step 5: Solve for x
    x = 3,513,338,999.68/89,379.59
  6. Step 6: Final answer
    x = 39,308.07

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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.