Home / 90,441.89-124,800.93-50,154.95

Finding the Fourth Proportional to 90,441.89, 124,800.93 and 50,154.95

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Solution

The fourth proportional to 90,441.89, 124,800.93 and 50,154.95 is: 69,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,441.89 : 124,800.93 = 50,154.95 : x
  2. Step 2: Convert to fraction form
    90,441.89/124,800.93 = 50,154.95/x
  3. Step 3: Cross multiply
    90,441.89x = 124,800.93 × 50,154.95
  4. Step 4: Simplify right side
    90,441.89x = 6,259,383,780.10
  5. Step 5: Solve for x
    x = 6,259,383,780.10/90,441.89
  6. Step 6: Final answer
    x = 69,208.90

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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.