Home / 135,944.25-187,671.23-84,985.30

Finding the Fourth Proportional to 135,944.25, 187,671.23 and 84,985.30

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Solution

The fourth proportional to 135,944.25, 187,671.23 and 84,985.30 is: 117,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,944.25 : 187,671.23 = 84,985.30 : x
  2. Step 2: Convert to fraction form
    135,944.25/187,671.23 = 84,985.30/x
  3. Step 3: Cross multiply
    135,944.25x = 187,671.23 × 84,985.30
  4. Step 4: Simplify right side
    135,944.25x = 15,949,295,782.92
  5. Step 5: Solve for x
    x = 15,949,295,782.92/135,944.25
  6. Step 6: Final answer
    x = 117,322.33

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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.