Home / 87,216.32-120,372.24-53,232.16

Finding the Fourth Proportional to 87,216.32, 120,372.24 and 53,232.16

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Solution

The fourth proportional to 87,216.32, 120,372.24 and 53,232.16 is: 73,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,216.32 : 120,372.24 = 53,232.16 : x
  2. Step 2: Convert to fraction form
    87,216.32/120,372.24 = 53,232.16/x
  3. Step 3: Cross multiply
    87,216.32x = 120,372.24 × 53,232.16
  4. Step 4: Simplify right side
    87,216.32x = 6,407,674,339.24
  5. Step 5: Solve for x
    x = 6,407,674,339.24/87,216.32
  6. Step 6: Final answer
    x = 73,468.75

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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.