Home / 90,247.11-135,222.71-63,904.56

Finding the Fourth Proportional to 90,247.11, 135,222.71 and 63,904.56

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Solution

The fourth proportional to 90,247.11, 135,222.71 and 63,904.56 is: 95,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,247.11 : 135,222.71 = 63,904.56 : x
  2. Step 2: Convert to fraction form
    90,247.11/135,222.71 = 63,904.56/x
  3. Step 3: Cross multiply
    90,247.11x = 135,222.71 × 63,904.56
  4. Step 4: Simplify right side
    90,247.11x = 8,641,347,465.03
  5. Step 5: Solve for x
    x = 8,641,347,465.03/90,247.11
  6. Step 6: Final answer
    x = 95,752.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.