Home / 90,743.36-125,226.24-53,009.60

Finding the Fourth Proportional to 90,743.36, 125,226.24 and 53,009.60

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Solution

The fourth proportional to 90,743.36, 125,226.24 and 53,009.60 is: 73,153.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,743.36 : 125,226.24 = 53,009.60 : x
  2. Step 2: Convert to fraction form
    90,743.36/125,226.24 = 53,009.60/x
  3. Step 3: Cross multiply
    90,743.36x = 125,226.24 × 53,009.60
  4. Step 4: Simplify right side
    90,743.36x = 6,638,192,891.90
  5. Step 5: Solve for x
    x = 6,638,192,891.90/90,743.36
  6. Step 6: Final answer
    x = 73,153.48

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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.