Home / 112,726.20-168,933.78-84,993.72

Finding the Fourth Proportional to 112,726.20, 168,933.78 and 84,993.72

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Solution

The fourth proportional to 112,726.20, 168,933.78 and 84,993.72 is: 127,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,726.20 : 168,933.78 = 84,993.72 : x
  2. Step 2: Convert to fraction form
    112,726.20/168,933.78 = 84,993.72/x
  3. Step 3: Cross multiply
    112,726.20x = 168,933.78 × 84,993.72
  4. Step 4: Simplify right side
    112,726.20x = 14,358,310,395.86
  5. Step 5: Solve for x
    x = 14,358,310,395.86/112,726.20
  6. Step 6: Final answer
    x = 127,373.32

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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.