Home / 110,859.20-166,288.80-102,305.60

Finding the Fourth Proportional to 110,859.20, 166,288.80 and 102,305.60

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Solution

The fourth proportional to 110,859.20, 166,288.80 and 102,305.60 is: 153,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,859.20 : 166,288.80 = 102,305.60 : x
  2. Step 2: Convert to fraction form
    110,859.20/166,288.80 = 102,305.60/x
  3. Step 3: Cross multiply
    110,859.20x = 166,288.80 × 102,305.60
  4. Step 4: Simplify right side
    110,859.20x = 17,012,275,457.28
  5. Step 5: Solve for x
    x = 17,012,275,457.28/110,859.20
  6. Step 6: Final answer
    x = 153,458.40

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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.