Home / 159,773.12-220,487.61-88,153.10

Finding the Fourth Proportional to 159,773.12, 220,487.61 and 88,153.10

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Solution

The fourth proportional to 159,773.12, 220,487.61 and 88,153.10 is: 121,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,773.12 : 220,487.61 = 88,153.10 : x
  2. Step 2: Convert to fraction form
    159,773.12/220,487.61 = 88,153.10/x
  3. Step 3: Cross multiply
    159,773.12x = 220,487.61 × 88,153.10
  4. Step 4: Simplify right side
    159,773.12x = 19,436,666,333.09
  5. Step 5: Solve for x
    x = 19,436,666,333.09/159,773.12
  6. Step 6: Final answer
    x = 121,651.67

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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.