Home / 100,773.24-139,062.90-54,833.07

Finding the Fourth Proportional to 100,773.24, 139,062.90 and 54,833.07

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Solution

The fourth proportional to 100,773.24, 139,062.90 and 54,833.07 is: 75,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,773.24 : 139,062.90 = 54,833.07 : x
  2. Step 2: Convert to fraction form
    100,773.24/139,062.90 = 54,833.07/x
  3. Step 3: Cross multiply
    100,773.24x = 139,062.90 × 54,833.07
  4. Step 4: Simplify right side
    100,773.24x = 7,625,245,455.94
  5. Step 5: Solve for x
    x = 7,625,245,455.94/100,773.24
  6. Step 6: Final answer
    x = 75,667.36

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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.