Home / 89,220.56-133,865.87-39,265.62

Finding the Fourth Proportional to 89,220.56, 133,865.87 and 39,265.62

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Solution

The fourth proportional to 89,220.56, 133,865.87 and 39,265.62 is: 58,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,220.56 : 133,865.87 = 39,265.62 : x
  2. Step 2: Convert to fraction form
    89,220.56/133,865.87 = 39,265.62/x
  3. Step 3: Cross multiply
    89,220.56x = 133,865.87 × 39,265.62
  4. Step 4: Simplify right side
    89,220.56x = 5,256,326,382.39
  5. Step 5: Solve for x
    x = 5,256,326,382.39/89,220.56
  6. Step 6: Final answer
    x = 58,913.85

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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.