Home / 78,455.64-108,194.94-60,522.12

Finding the Fourth Proportional to 78,455.64, 108,194.94 and 60,522.12

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Solution

The fourth proportional to 78,455.64, 108,194.94 and 60,522.12 is: 83,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,455.64 : 108,194.94 = 60,522.12 : x
  2. Step 2: Convert to fraction form
    78,455.64/108,194.94 = 60,522.12/x
  3. Step 3: Cross multiply
    78,455.64x = 108,194.94 × 60,522.12
  4. Step 4: Simplify right side
    78,455.64x = 6,548,187,142.07
  5. Step 5: Solve for x
    x = 6,548,187,142.07/78,455.64
  6. Step 6: Final answer
    x = 83,463.56

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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.