Home / 122,286.80-183,430.20-105,884.30

Finding the Fourth Proportional to 122,286.80, 183,430.20 and 105,884.30

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Solution

The fourth proportional to 122,286.80, 183,430.20 and 105,884.30 is: 158,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,286.80 : 183,430.20 = 105,884.30 : x
  2. Step 2: Convert to fraction form
    122,286.80/183,430.20 = 105,884.30/x
  3. Step 3: Cross multiply
    122,286.80x = 183,430.20 × 105,884.30
  4. Step 4: Simplify right side
    122,286.80x = 19,422,378,325.86
  5. Step 5: Solve for x
    x = 19,422,378,325.86/122,286.80
  6. Step 6: Final answer
    x = 158,826.45

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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.