Home / 90,693.36-125,156.28-50,406.48

Finding the Fourth Proportional to 90,693.36, 125,156.28 and 50,406.48

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Solution

The fourth proportional to 90,693.36, 125,156.28 and 50,406.48 is: 69,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,693.36 : 125,156.28 = 50,406.48 : x
  2. Step 2: Convert to fraction form
    90,693.36/125,156.28 = 50,406.48/x
  3. Step 3: Cross multiply
    90,693.36x = 125,156.28 × 50,406.48
  4. Step 4: Simplify right side
    90,693.36x = 6,308,687,524.69
  5. Step 5: Solve for x
    x = 6,308,687,524.69/90,693.36
  6. Step 6: Final answer
    x = 69,560.63

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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.