Home / 89,394.58-134,147.25-51,972.27

Finding the Fourth Proportional to 89,394.58, 134,147.25 and 51,972.27

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Solution

The fourth proportional to 89,394.58, 134,147.25 and 51,972.27 is: 77,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,394.58 : 134,147.25 = 51,972.27 : x
  2. Step 2: Convert to fraction form
    89,394.58/134,147.25 = 51,972.27/x
  3. Step 3: Cross multiply
    89,394.58x = 134,147.25 × 51,972.27
  4. Step 4: Simplify right side
    89,394.58x = 6,971,936,166.16
  5. Step 5: Solve for x
    x = 6,971,936,166.16/89,394.58
  6. Step 6: Final answer
    x = 77,990.59

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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.