Home / 90,446.12-124,828.56-50,168.84

Finding the Fourth Proportional to 90,446.12, 124,828.56 and 50,168.84

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Solution

The fourth proportional to 90,446.12, 124,828.56 and 50,168.84 is: 69,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,446.12 : 124,828.56 = 50,168.84 : x
  2. Step 2: Convert to fraction form
    90,446.12/124,828.56 = 50,168.84/x
  3. Step 3: Cross multiply
    90,446.12x = 124,828.56 × 50,168.84
  4. Step 4: Simplify right side
    90,446.12x = 6,262,504,054.07
  5. Step 5: Solve for x
    x = 6,262,504,054.07/90,446.12
  6. Step 6: Final answer
    x = 69,240.16

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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.