Home / 134,829.20-202,243.80-84,965.60

Finding the Fourth Proportional to 134,829.20, 202,243.80 and 84,965.60

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Solution

The fourth proportional to 134,829.20, 202,243.80 and 84,965.60 is: 127,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,829.20 : 202,243.80 = 84,965.60 : x
  2. Step 2: Convert to fraction form
    134,829.20/202,243.80 = 84,965.60/x
  3. Step 3: Cross multiply
    134,829.20x = 202,243.80 × 84,965.60
  4. Step 4: Simplify right side
    134,829.20x = 17,183,765,813.28
  5. Step 5: Solve for x
    x = 17,183,765,813.28/134,829.20
  6. Step 6: Final answer
    x = 127,448.40

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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.