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Finding the Fourth Proportional to 77,450.40, 116,173.20 and 22,046.40

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Solution

The fourth proportional to 77,450.40, 116,173.20 and 22,046.40 is: 33,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,450.40 : 116,173.20 = 22,046.40 : x
  2. Step 2: Convert to fraction form
    77,450.40/116,173.20 = 22,046.40/x
  3. Step 3: Cross multiply
    77,450.40x = 116,173.20 × 22,046.40
  4. Step 4: Simplify right side
    77,450.40x = 2,561,200,836.48
  5. Step 5: Solve for x
    x = 2,561,200,836.48/77,450.40
  6. Step 6: Final answer
    x = 33,068.92

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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.