Home / 123,420.27-185,197.39-52,382.87

Finding the Fourth Proportional to 123,420.27, 185,197.39 and 52,382.87

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Solution

The fourth proportional to 123,420.27, 185,197.39 and 52,382.87 is: 78,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,420.27 : 185,197.39 = 52,382.87 : x
  2. Step 2: Convert to fraction form
    123,420.27/185,197.39 = 52,382.87/x
  3. Step 3: Cross multiply
    123,420.27x = 185,197.39 × 52,382.87
  4. Step 4: Simplify right side
    123,420.27x = 9,701,170,442.26
  5. Step 5: Solve for x
    x = 9,701,170,442.26/123,420.27
  6. Step 6: Final answer
    x = 78,602.73

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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.