Home / 159,741.67-220,439.96-88,121.67

Finding the Fourth Proportional to 159,741.67, 220,439.96 and 88,121.67

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Solution

The fourth proportional to 159,741.67, 220,439.96 and 88,121.67 is: 121,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,741.67 : 220,439.96 = 88,121.67 : x
  2. Step 2: Convert to fraction form
    159,741.67/220,439.96 = 88,121.67/x
  3. Step 3: Cross multiply
    159,741.67x = 220,439.96 × 88,121.67
  4. Step 4: Simplify right side
    159,741.67x = 19,425,537,465.26
  5. Step 5: Solve for x
    x = 19,425,537,465.26/159,741.67
  6. Step 6: Final answer
    x = 121,605.95

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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.