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Finding the Fourth Proportional to 123,635.66, 185,443.22 and 39,392.42

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Solution

The fourth proportional to 123,635.66, 185,443.22 and 39,392.42 is: 59,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,635.66 : 185,443.22 = 39,392.42 : x
  2. Step 2: Convert to fraction form
    123,635.66/185,443.22 = 39,392.42/x
  3. Step 3: Cross multiply
    123,635.66x = 185,443.22 × 39,392.42
  4. Step 4: Simplify right side
    123,635.66x = 7,305,056,084.21
  5. Step 5: Solve for x
    x = 7,305,056,084.21/123,635.66
  6. Step 6: Final answer
    x = 59,085.35

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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.