Home / 90,732.36-125,224.28-65,322.83

Finding the Fourth Proportional to 90,732.36, 125,224.28 and 65,322.83

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Solution

The fourth proportional to 90,732.36, 125,224.28 and 65,322.83 is: 90,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,732.36 : 125,224.28 = 65,322.83 : x
  2. Step 2: Convert to fraction form
    90,732.36/125,224.28 = 65,322.83/x
  3. Step 3: Cross multiply
    90,732.36x = 125,224.28 × 65,322.83
  4. Step 4: Simplify right side
    90,732.36x = 8,180,004,585.72
  5. Step 5: Solve for x
    x = 8,180,004,585.72/90,732.36
  6. Step 6: Final answer
    x = 90,155.31

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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.