Home / 90,462.78-124,833.54-50,173.65

Finding the Fourth Proportional to 90,462.78, 124,833.54 and 50,173.65

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Solution

The fourth proportional to 90,462.78, 124,833.54 and 50,173.65 is: 69,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,462.78 : 124,833.54 = 50,173.65 : x
  2. Step 2: Convert to fraction form
    90,462.78/124,833.54 = 50,173.65/x
  3. Step 3: Cross multiply
    90,462.78x = 124,833.54 × 50,173.65
  4. Step 4: Simplify right side
    90,462.78x = 6,263,354,344.22
  5. Step 5: Solve for x
    x = 6,263,354,344.22/90,462.78
  6. Step 6: Final answer
    x = 69,236.81

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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.