Home / 123,611.20-185,416.80-34,863.55

Finding the Fourth Proportional to 123,611.20, 185,416.80 and 34,863.55

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Solution

The fourth proportional to 123,611.20, 185,416.80 and 34,863.55 is: 52,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,611.20 : 185,416.80 = 34,863.55 : x
  2. Step 2: Convert to fraction form
    123,611.20/185,416.80 = 34,863.55/x
  3. Step 3: Cross multiply
    123,611.20x = 185,416.80 × 34,863.55
  4. Step 4: Simplify right side
    123,611.20x = 6,464,287,877.64
  5. Step 5: Solve for x
    x = 6,464,287,877.64/123,611.20
  6. Step 6: Final answer
    x = 52,295.33

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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.