Home / 159,840.34-220,563.96-88,215.73

Finding the Fourth Proportional to 159,840.34, 220,563.96 and 88,215.73

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Solution

The fourth proportional to 159,840.34, 220,563.96 and 88,215.73 is: 121,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,840.34 : 220,563.96 = 88,215.73 : x
  2. Step 2: Convert to fraction form
    159,840.34/220,563.96 = 88,215.73/x
  3. Step 3: Cross multiply
    159,840.34x = 220,563.96 × 88,215.73
  4. Step 4: Simplify right side
    159,840.34x = 19,457,211,597.76
  5. Step 5: Solve for x
    x = 19,457,211,597.76/159,840.34
  6. Step 6: Final answer
    x = 121,729.04

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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.