Home / 90,687.54-125,147.26-50,400.27

Finding the Fourth Proportional to 90,687.54, 125,147.26 and 50,400.27

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Solution

The fourth proportional to 90,687.54, 125,147.26 and 50,400.27 is: 69,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,687.54 : 125,147.26 = 50,400.27 : x
  2. Step 2: Convert to fraction form
    90,687.54/125,147.26 = 50,400.27/x
  3. Step 3: Cross multiply
    90,687.54x = 125,147.26 × 50,400.27
  4. Step 4: Simplify right side
    90,687.54x = 6,307,455,693.76
  5. Step 5: Solve for x
    x = 6,307,455,693.76/90,687.54
  6. Step 6: Final answer
    x = 69,551.51

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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.