Home / 89,116.99-133,668.75-25,937.60

Finding the Fourth Proportional to 89,116.99, 133,668.75 and 25,937.60

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Solution

The fourth proportional to 89,116.99, 133,668.75 and 25,937.60 is: 38,904.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,116.99 : 133,668.75 = 25,937.60 : x
  2. Step 2: Convert to fraction form
    89,116.99/133,668.75 = 25,937.60/x
  3. Step 3: Cross multiply
    89,116.99x = 133,668.75 × 25,937.60
  4. Step 4: Simplify right side
    89,116.99x = 3,467,046,570
  5. Step 5: Solve for x
    x = 3,467,046,570/89,116.99
  6. Step 6: Final answer
    x = 38,904.44

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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.