Home / 90,450.14-124,828.86-50,176.88

Finding the Fourth Proportional to 90,450.14, 124,828.86 and 50,176.88

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Solution

The fourth proportional to 90,450.14, 124,828.86 and 50,176.88 is: 69,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,450.14 : 124,828.86 = 50,176.88 : x
  2. Step 2: Convert to fraction form
    90,450.14/124,828.86 = 50,176.88/x
  3. Step 3: Cross multiply
    90,450.14x = 124,828.86 × 50,176.88
  4. Step 4: Simplify right side
    90,450.14x = 6,263,522,728.76
  5. Step 5: Solve for x
    x = 6,263,522,728.76/90,450.14
  6. Step 6: Final answer
    x = 69,248.35

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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.