Home / 90,014.46-124,230.51-54,222.54

Finding the Fourth Proportional to 90,014.46, 124,230.51 and 54,222.54

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Solution

The fourth proportional to 90,014.46, 124,230.51 and 54,222.54 is: 74,833.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,014.46 : 124,230.51 = 54,222.54 : x
  2. Step 2: Convert to fraction form
    90,014.46/124,230.51 = 54,222.54/x
  3. Step 3: Cross multiply
    90,014.46x = 124,230.51 × 54,222.54
  4. Step 4: Simplify right side
    90,014.46x = 6,736,093,797.70
  5. Step 5: Solve for x
    x = 6,736,093,797.70/90,014.46
  6. Step 6: Final answer
    x = 74,833.46

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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.