Home / 159,523.32-220,151.84-87,903.24

Finding the Fourth Proportional to 159,523.32, 220,151.84 and 87,903.24

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Solution

The fourth proportional to 159,523.32, 220,151.84 and 87,903.24 is: 121,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,523.32 : 220,151.84 = 87,903.24 : x
  2. Step 2: Convert to fraction form
    159,523.32/220,151.84 = 87,903.24/x
  3. Step 3: Cross multiply
    159,523.32x = 220,151.84 × 87,903.24
  4. Step 4: Simplify right side
    159,523.32x = 19,352,060,027.96
  5. Step 5: Solve for x
    x = 19,352,060,027.96/159,523.32
  6. Step 6: Final answer
    x = 121,311.79

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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.