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Finding the Fourth Proportional to 94,144.88, 129,904.16 and 53,850.32

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Solution

The fourth proportional to 94,144.88, 129,904.16 and 53,850.32 is: 74,304.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,144.88 : 129,904.16 = 53,850.32 : x
  2. Step 2: Convert to fraction form
    94,144.88/129,904.16 = 53,850.32/x
  3. Step 3: Cross multiply
    94,144.88x = 129,904.16 × 53,850.32
  4. Step 4: Simplify right side
    94,144.88x = 6,995,380,153.70
  5. Step 5: Solve for x
    x = 6,995,380,153.70/94,144.88
  6. Step 6: Final answer
    x = 74,304.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.