Home / 77,269-115,890.21-23,232.88

Finding the Fourth Proportional to 77,269, 115,890.21 and 23,232.88

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Solution

The fourth proportional to 77,269, 115,890.21 and 23,232.88 is: 34,845.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,269 : 115,890.21 = 23,232.88 : x
  2. Step 2: Convert to fraction form
    77,269/115,890.21 = 23,232.88/x
  3. Step 3: Cross multiply
    77,269x = 115,890.21 × 23,232.88
  4. Step 4: Simplify right side
    77,269x = 2,692,463,342.10
  5. Step 5: Solve for x
    x = 2,692,463,342.10/77,269
  6. Step 6: Final answer
    x = 34,845.32

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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.